diff --git a/quic-forward-proxy/src/lib.rs b/quic-forward-proxy/src/lib.rs
index 1b1ceb02..dccb004d 100644
--- a/quic-forward-proxy/src/lib.rs
+++ b/quic-forward-proxy/src/lib.rs
@@ -2,5 +2,7 @@ pub mod quic_util;
 pub mod tls_config_provicer;
 pub mod proxy;
 pub mod test_client;
+pub mod proxy_request_format;
+
 pub use tls_config_provicer::SelfSignedTlsConfigProvider;
 // pub mod tls_config;
\ No newline at end of file
diff --git a/quic-forward-proxy/src/proxy.rs b/quic-forward-proxy/src/proxy.rs
index 2cb44809..6b5caeba 100644
--- a/quic-forward-proxy/src/proxy.rs
+++ b/quic-forward-proxy/src/proxy.rs
@@ -1,4 +1,4 @@
-use std::net::{IpAddr, Ipv4Addr, SocketAddr};
+use std::net::{IpAddr, Ipv4Addr, SocketAddr, SocketAddrV4};
 use std::path::Path;
 use std::sync::Arc;
 use std::time::Duration;
@@ -8,6 +8,8 @@ use quinn::{Connecting, Endpoint, SendStream, ServerConfig};
 use rcgen::generate_simple_self_signed;
 use rustls::{Certificate, PrivateKey};
 use rustls::server::ResolvesServerCert;
+use serde::{Deserialize, Serialize};
+use solana_sdk::pubkey::Pubkey;
 use solana_sdk::signature::Keypair;
 use solana_sdk::transaction::VersionedTransaction;
 use tokio::net::ToSocketAddrs;
@@ -137,6 +139,7 @@ async fn handle_connection2(connecting: Connecting) -> anyhow::Result<()> {
     Ok(())
 }
 
+
 async fn send_data(mut send: SendStream) -> anyhow::Result<()> {
     send.write_all(b"HELLO STRANGER\r\n").await?;
     send.finish().await?;
diff --git a/quic-forward-proxy/src/proxy_request_format.rs b/quic-forward-proxy/src/proxy_request_format.rs
new file mode 100644
index 00000000..26a7c089
--- /dev/null
+++ b/quic-forward-proxy/src/proxy_request_format.rs
@@ -0,0 +1,64 @@
+use std::net::SocketAddrV4;
+use serde::{Deserialize, Serialize};
+use solana_sdk::pubkey::Pubkey;
+use solana_sdk::transaction::VersionedTransaction;
+
+#[derive(Serialize, Deserialize, Debug, Clone)]
+pub struct TpuForwardingRequestV1 {
+    pub tpu_socket_addr: SocketAddrV4, // TODO is that correct
+    pub identity_tpunode: Pubkey,
+    pub transactions: Vec<VersionedTransaction>,
+}
+
+#[derive(Serialize, Deserialize, Debug, Clone)]
+pub enum TpuForwardingRequest {
+    V1(TpuForwardingRequestV1),
+}
+
+impl TpuForwardingRequest {
+    pub fn new(tpu_socket_addr: SocketAddrV4, identity_tpunode: Pubkey,
+               transactions: Vec<VersionedTransaction>) -> Self {
+        TpuForwardingRequest::V1(
+            TpuForwardingRequestV1 {
+                tpu_socket_addr,
+                identity_tpunode,
+                transactions,
+            })
+    }
+}
+
+
+// TODO reame
+fn deserialize_request(raw_tx: &Vec<u8>) -> TpuForwardingRequest {
+    todo!();
+}
+
+fn serialize_transactions_for_tpu(
+    tpu_socket_addr: SocketAddrV4,
+    tpu_identity: Pubkey,
+    transactions: Vec<VersionedTransaction>) -> Vec<u8> {
+
+    let request = TpuForwardingRequest::new(tpu_socket_addr, tpu_identity, transactions);
+
+    bincode::serialize(&request).expect("Expect to serialize transactions")
+}
+
+
+mod test {
+    use std::str::FromStr;
+    use log::info;
+    use solana_sdk::pubkey::Pubkey;
+    use crate::proxy_request_format::serialize_transactions_for_tpu;
+
+    #[test]
+    fn deser() {
+        let wire_data = serialize_transactions_for_tpu(
+            "127.0.0.1:5454".parse().unwrap(),
+            Pubkey::from_str("Bm8rtweCQ19ksNebrLY92H7x4bCaeDJSSmEeWqkdCeop").unwrap(),
+            vec![]);
+
+        println!("wire_data: {:02X?}", wire_data);
+
+    }
+}
+