diff --git a/packages/solana/src/index.ts b/packages/solana/src/index.ts
index 17f45102..8f0d3d74 100644
--- a/packages/solana/src/index.ts
+++ b/packages/solana/src/index.ts
@@ -7,6 +7,7 @@ import {
 } from "@turnkey/http";
 import type { TurnkeyBrowserClient } from "@turnkey/sdk-browser";
 import type { TurnkeyServerClient, TurnkeyApiTypes } from "@turnkey/sdk-server";
+import { sign } from "crypto";
 
 type TClient = TurnkeyClient | TurnkeyBrowserClient | TurnkeyServerClient;
 
@@ -26,19 +27,44 @@ export class TurnkeySigner {
    * @param fromAddress Solana address (base58 encoded)
    */
   public async signAllTransactions(
-    txs: (Transaction | VersionedTransaction)[],
-    fromAddress: string,
+    // txs: (Transaction | VersionedTransaction)[],
+    txs: {
+      signWith: string;
+      transactions: (Transaction | VersionedTransaction)[];
+    }[],
     organizationId?: string
-  ): Promise<(Transaction | VersionedTransaction)[]> {
-    const fromKey = new PublicKey(fromAddress);
+  ): Promise<({
+    signWith: string;
+    transactions: (Transaction | VersionedTransaction)[]
+  }[])> {
+    const signingPayloads: {
+      signWith: string;
+      payloads: string[]
+    }[] = [];
+
+    for (const tx of txs) {
+      const messages = tx.transactions.map((innerTx) => this.getMessageToSign(innerTx).toString("hex"));
+
+      signingPayloads.push({
+        signWith: tx.signWith,
+          payloads: messages
+      })  
+    }
 
-    let messages = txs.map((tx) => this.getMessageToSign(tx).toString("hex"));
+    const { signWithResults } = await this.signRawPayloads(signingPayloads, organizationId);
 
-    const signRawPayloadsResult = await this.signRawPayloads(
-      messages,
-      fromAddress,
-      organizationId
-    );
+    const signedTxs: {
+      signWith: string;
+      transactions: (Transaction | VersionedTransaction)[];
+    }[] = [];
+
+    // for (const result of signWithResults) {
+
+    //   signedTxs.push({
+    //     signWith: result.signWith,
+
+    //   })
+    // }
 
     const signatures = signRawPayloadsResult?.signatures?.map(
       (sig: TSignature) => `${sig?.r}${sig?.s}`
@@ -218,18 +244,19 @@ export class TurnkeySigner {
   }
 
   private async signRawPayloads(
-    payloads: string[],
-    signWith: string,
+    signWithPayloads: {
+      signWith: string;
+      payloads: string[];
+    }[],
     organizationId?: string
   ) {
     if (this.client instanceof TurnkeyClient) {
       const response = await this.client.signRawPayloads({
-        type: "ACTIVITY_TYPE_SIGN_RAW_PAYLOADS",
+        type: "ACTIVITY_TYPE_SIGN_RAW_PAYLOADS_V2",
         organizationId: organizationId ?? this.organizationId,
         timestampMs: String(Date.now()),
         parameters: {
-          signWith,
-          payloads,
+          signWithPayloads,
           encoding: "PAYLOAD_ENCODING_HEXADECIMAL",
           // Note: unlike ECDSA, EdDSA's API does not support signing raw digests (see RFC 8032).
           // Turnkey's signer requires an explicit value to be passed here to minimize ambiguity.
@@ -241,12 +268,11 @@ export class TurnkeySigner {
 
       assertActivityCompleted(activity);
 
-      return assertNonNull(activity?.result?.signRawPayloadsResult);
+      return assertNonNull(activity?.result?.signRawPayloadsResultV2);
     } else {
-      const { activity, signatures } = await this.client.signRawPayloads({
+      const { activity, signWithResults } = await this.client.signRawPayloads({
         ...(organizationId !== undefined && { organizationId }),
-        signWith,
-        payloads,
+        signWithPayloads,
         encoding: "PAYLOAD_ENCODING_HEXADECIMAL",
         // Note: unlike ECDSA, EdDSA's API does not support signing raw digests (see RFC 8032).
         // Turnkey's signer requires an explicit value to be passed here to minimize ambiguity.
@@ -256,7 +282,7 @@ export class TurnkeySigner {
       assertActivityCompleted(activity);
 
       return assertNonNull({
-        signatures: signatures as TurnkeyApiTypes["v1SignRawPayloadResult"][],
+        signWithResults,
       });
     }
   }