diff --git a/Cargo.lock b/Cargo.lock
index d1c22d2..4592a8e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -69,7 +69,7 @@ version = "2.2.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "973a83d0d66d1f04647d1146a07736864f0742300b56bf2a5aadf5ce7b22fe47"
 dependencies = [
- "ahash",
+ "ahash 0.8.11",
  "solana-epoch-schedule",
  "solana-feature-set-interface",
  "solana-hash",
@@ -113,6 +113,17 @@ dependencies = [
  "solana-sdk-ids",
 ]
 
+[[package]]
+name = "ahash"
+version = "0.7.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "891477e0c6a8957309ee5c45a6368af3ae14bb510732d2684ffa19af310920f9"
+dependencies = [
+ "getrandom 0.2.16",
+ "once_cell",
+ "version_check",
+]
+
 [[package]]
 name = "ahash"
 version = "0.8.11"
@@ -642,6 +653,18 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "bitvec"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1bc2832c24239b0141d5674bb9174f9d68a8b5b3f2753311927c172ca46f7e9c"
+dependencies = [
+ "funty",
+ "radium",
+ "tap",
+ "wyz",
+]
+
 [[package]]
 name = "blake3"
 version = "1.8.2"
@@ -788,6 +811,28 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "bytecheck"
+version = "0.6.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "23cdc57ce23ac53c931e88a43d06d070a6fd142f2617be5855eb75efc9beb1c2"
+dependencies = [
+ "bytecheck_derive",
+ "ptr_meta",
+ "simdutf8",
+]
+
+[[package]]
+name = "bytecheck_derive"
+version = "0.6.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3db406d29fbcd95542e92559bed4d8ad92636d1ca8b3b72ede10b4bcc010e659"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+]
+
 [[package]]
 name = "bytemuck"
 version = "1.23.0"
@@ -1347,6 +1392,26 @@ dependencies = [
  "syn 1.0.109",
 ]
 
+[[package]]
+name = "derive_more"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4a9b99b9cbbe49445b21764dc0625032a89b145a2642e67603e1c936f5458d05"
+dependencies = [
+ "derive_more-impl",
+]
+
+[[package]]
+name = "derive_more-impl"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cb7330aeadfbe296029522e6c40f315320aba36fc43a5b3632f3795348f3bd22"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.101",
+]
+
 [[package]]
 name = "digest"
 version = "0.9.0"
@@ -1663,6 +1728,21 @@ dependencies = [
  "percent-encoding",
 ]
 
+[[package]]
+name = "fs-err"
+version = "3.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1f89bda4c2a21204059a977ed3bfe746677dfd137b83c339e702b0ac91d482aa"
+dependencies = [
+ "autocfg",
+]
+
+[[package]]
+name = "funty"
+version = "2.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e6d5a32815ae3f33302d95fdcb2ce17862f8c65363dcfd29360480ba1001fc9c"
+
 [[package]]
 name = "futures"
 version = "0.3.31"
@@ -1902,6 +1982,9 @@ name = "hashbrown"
 version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
+dependencies = [
+ "ahash 0.7.8",
+]
 
 [[package]]
 name = "hashbrown"
@@ -1909,7 +1992,7 @@ version = "0.13.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "43a3c133739dddd0d2990f9a4bdf8eb4b21ef50e4851ca85ab661199821d510e"
 dependencies = [
- "ahash",
+ "ahash 0.8.11",
 ]
 
 [[package]]
@@ -2483,6 +2566,15 @@ dependencies = [
  "either",
 ]
 
+[[package]]
+name = "itertools"
+version = "0.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "413ee7dfc52ee1a4949ceeb7dbc8a33f2d6c088194d9f922fb8318faf1f01186"
+dependencies = [
+ "either",
+]
+
 [[package]]
 name = "itoa"
 version = "1.0.15"
@@ -3138,7 +3230,7 @@ dependencies = [
  "lazy_static",
  "once_cell",
  "opentelemetry",
- "ordered-float",
+ "ordered-float 4.6.0",
  "percent-encoding",
  "rand 0.8.5",
  "thiserror 1.0.69",
@@ -3146,6 +3238,15 @@ dependencies = [
  "tokio-stream",
 ]
 
+[[package]]
+name = "ordered-float"
+version = "2.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "68f19d67e5a2795c94e73e0bb1cc1a7edeb2e28efd39e2e1c9b7a40c1108b11c"
+dependencies = [
+ "num-traits",
+]
+
 [[package]]
 name = "ordered-float"
 version = "4.6.0"
@@ -3562,6 +3663,26 @@ dependencies = [
  "thiserror 1.0.69",
 ]
 
+[[package]]
+name = "ptr_meta"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0738ccf7ea06b608c10564b31debd4f5bc5e197fc8bfe088f68ae5ce81e7a4f1"
+dependencies = [
+ "ptr_meta_derive",
+]
+
+[[package]]
+name = "ptr_meta_derive"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "16b845dbfca988fa33db069c0e230574d15a3088f147a87b64c7589eb662c9ac"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+]
+
 [[package]]
 name = "pyth-agent"
 version = "3.0.0"
@@ -3613,14 +3734,37 @@ dependencies = [
  "winnow",
 ]
 
+[[package]]
+name = "pyth-lazer-protocol"
+version = "0.7.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a9bdf4e2ba853a8b437309487542e742c7d094d8db189db194cb538f2be02ecd"
+dependencies = [
+ "anyhow",
+ "base64 0.22.1",
+ "byteorder",
+ "derive_more",
+ "itertools 0.13.0",
+ "protobuf",
+ "rust_decimal",
+ "serde",
+ "serde_json",
+]
+
 [[package]]
 name = "pyth-lazer-publisher-sdk"
-version = "0.1.1"
+version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "13f8de2f7e8ba23b57167b7b150295ac806263aad39d7258d2c3684320ffce74"
+checksum = "a3e633db28ca38210de8ab3e99d5bd85ad8cae08a08bb0292506340ee9d1c718"
 dependencies = [
+ "anyhow",
+ "fs-err",
+ "humantime",
  "protobuf",
  "protobuf-codegen",
+ "pyth-lazer-protocol",
+ "serde-value",
+ "tracing",
 ]
 
 [[package]]
@@ -3764,6 +3908,12 @@ version = "5.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "74765f6d916ee2faa39bc8e68e4f3ed8949b48cccdac59983d287a7cb71ce9c5"
 
+[[package]]
+name = "radium"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dc33ff2d4973d518d823d61aa239014831e521c75da58e3df4840d3f47749d09"
+
 [[package]]
 name = "rand"
 version = "0.7.3"
@@ -3955,6 +4105,15 @@ version = "0.8.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2b15c43186be67a4fd63bee50d0303afffcef381492ebe2c5d87f324e1b8815c"
 
+[[package]]
+name = "rend"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "71fe3824f5629716b1589be05dacd749f6aa084c87e00e016714a8cdfccc997c"
+dependencies = [
+ "bytecheck",
+]
+
 [[package]]
 name = "reqwest"
 version = "0.11.27"
@@ -4072,6 +4231,35 @@ dependencies = [
  "windows-sys 0.52.0",
 ]
 
+[[package]]
+name = "rkyv"
+version = "0.7.45"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9008cd6385b9e161d8229e1f6549dd23c3d022f132a2ea37ac3a10ac4935779b"
+dependencies = [
+ "bitvec",
+ "bytecheck",
+ "bytes",
+ "hashbrown 0.12.3",
+ "ptr_meta",
+ "rend",
+ "rkyv_derive",
+ "seahash",
+ "tinyvec",
+ "uuid",
+]
+
+[[package]]
+name = "rkyv_derive"
+version = "0.7.45"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "503d1d27590a2b0a3a4ca4c94755aa2875657196ecbf401a42eff41d7de532c0"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+]
+
 [[package]]
 name = "ron"
 version = "0.8.1"
@@ -4095,6 +4283,22 @@ dependencies = [
  "trim-in-place",
 ]
 
+[[package]]
+name = "rust_decimal"
+version = "1.37.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "faa7de2ba56ac291bd90c6b9bece784a52ae1411f9506544b3eae36dd2356d50"
+dependencies = [
+ "arrayvec",
+ "borsh 1.5.7",
+ "bytes",
+ "num-traits",
+ "rand 0.8.5",
+ "rkyv",
+ "serde",
+ "serde_json",
+]
+
 [[package]]
 name = "rustc-demangle"
 version = "0.1.24"
@@ -4352,6 +4556,12 @@ dependencies = [
  "untrusted",
 ]
 
+[[package]]
+name = "seahash"
+version = "4.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1c107b6f4780854c8b126e228ea8869f4d7b71260f962fefb57b996b8959ba6b"
+
 [[package]]
 name = "security-framework"
 version = "2.11.1"
@@ -4421,6 +4631,16 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "serde-value"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f3a1a3341211875ef120e117ea7fd5228530ae7e7036a779fdc9117be6b3282c"
+dependencies = [
+ "ordered-float 2.10.1",
+ "serde",
+]
+
 [[package]]
 name = "serde_bytes"
 version = "0.11.17"
@@ -4602,6 +4822,12 @@ dependencies = [
  "rand_core 0.6.4",
 ]
 
+[[package]]
+name = "simdutf8"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e3a9fe34e3e7a50316060351f37187a3f546bce95496156754b601a5fa71b76e"
+
 [[package]]
 name = "siphasher"
 version = "0.3.11"
@@ -5155,7 +5381,7 @@ version = "2.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "92f6c09cc41059c0e03ccbee7f5d4cc0a315d68ef0d59b67eb90246adfd8cc35"
 dependencies = [
- "ahash",
+ "ahash 0.8.11",
  "lazy_static",
  "solana-epoch-schedule",
  "solana-hash",
@@ -5169,7 +5395,7 @@ version = "4.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "02007757246e40f10aa936dae4fa27efbf8dbd6a59575a12ccc802c1aea6e708"
 dependencies = [
- "ahash",
+ "ahash 0.8.11",
  "solana-pubkey",
 ]
 
@@ -5566,7 +5792,7 @@ version = "2.2.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "97222a3fda48570754ce114e43ca56af34741098c357cb8d3cb6695751e60330"
 dependencies = [
- "ahash",
+ "ahash 0.8.11",
  "bincode 1.3.3",
  "bv",
  "caps",
@@ -7363,6 +7589,12 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "tap"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "55937e1799185b12863d447f42597ed69d9928686b8d88a1df17376a097d8369"
+
 [[package]]
 name = "task-local-extensions"
 version = "0.1.4"
@@ -8049,6 +8281,16 @@ version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "06abde3611657adf66d383f00b093d7faecc7fa57071cce2578660c9f1010821"
 
+[[package]]
+name = "uuid"
+version = "1.17.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3cf4199d1e5d15ddd86a694e4d0dffa9c323ce759fea589f00fef9d81cc1931d"
+dependencies = [
+ "js-sys",
+ "wasm-bindgen",
+]
+
 [[package]]
 name = "valuable"
 version = "0.1.1"
@@ -8712,6 +8954,15 @@ version = "0.5.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1e9df38ee2d2c3c5948ea468a8406ff0db0b29ae1ffde1bcf20ef305bcc95c51"
 
+[[package]]
+name = "wyz"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "05f360fc0b24296329c78fda852a1e9ae82de9cf7b27dae4b7f62f118f77b9ed"
+dependencies = [
+ "tap",
+]
+
 [[package]]
 name = "x509-parser"
 version = "0.14.0"
diff --git a/Cargo.toml b/Cargo.toml
index 84c94ff..5db1c00 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -54,7 +54,7 @@ bytemuck = "1.13.0"
 tokio-tungstenite = { version = "0.26.2", features = ["native-tls", "url"] }
 http = "1.3.1"
 url = { version = "2.5.4", features = ["serde"] }
-pyth-lazer-publisher-sdk = "0.1.1"
+pyth-lazer-publisher-sdk = "0.1.5"
 
 [profile.release]
 panic = 'abort'
diff --git a/src/agent/services/lazer_exporter.rs b/src/agent/services/lazer_exporter.rs
index 92b41f1..e3c479f 100644
--- a/src/agent/services/lazer_exporter.rs
+++ b/src/agent/services/lazer_exporter.rs
@@ -46,7 +46,6 @@ use {
 pub struct Config {
     pub history_url:               Url,
     pub relayer_urls:              Vec<Url>,
-    pub publisher_id:              u32,
     pub authorization_token:       String,
     pub publish_keypair_path:      PathBuf,
     #[serde(with = "humantime_serde", default = "default_publish_interval")]
@@ -198,10 +197,12 @@ mod lazer_exporter {
                 feed_update::Update,
             },
             transaction::{
+                Ed25519SignatureData,
                 LazerTransaction,
+                SignatureData,
                 SignedLazerTransaction,
-                TransactionSignatureType,
                 lazer_transaction::Payload,
+                signature_data::Data::Ed25519,
             },
         },
         solana_sdk::signer::keypair,
@@ -299,7 +300,6 @@ mod lazer_exporter {
                     let publisher_timestamp = MessageField::some(Timestamp::now());
                     let mut publisher_update = PublisherUpdate {
                         updates: vec![],
-                        publisher_id: Some(config.publisher_id),
                         publisher_timestamp,
                         special_fields: Default::default(),
                     };
@@ -343,9 +343,16 @@ mod lazer_exporter {
                         }
                     };
                     let signature = signing_key.sign(&buf);
+                    let signature_data = SignatureData {
+                        data: Some(Ed25519(Ed25519SignatureData {
+                            signature: Some(signature.to_bytes().into()),
+                            public_key: Some(signing_key.verifying_key().to_bytes().into()),
+                            special_fields: Default::default(),
+                        })),
+                        special_fields: Default::default(),
+                    };
                     let signed_lazer_transaction = SignedLazerTransaction {
-                        signature_type: Some(TransactionSignatureType::ed25519.into()),
-                        signature: Some(signature.to_bytes().to_vec()),
+                        signature_data: MessageField::some(signature_data),
                         payload: Some(buf),
                         special_fields: Default::default(),
                     };