diff --git a/@planetarium/account-aws-kms/src/AwsKmsAccount.ts b/@planetarium/account-aws-kms/src/AwsKmsAccount.ts
index 1e54663fff9..5b775cc5044 100644
--- a/@planetarium/account-aws-kms/src/AwsKmsAccount.ts
+++ b/@planetarium/account-aws-kms/src/AwsKmsAccount.ts
@@ -35,10 +35,11 @@ export class AwsKmsAccount implements Account {
     return Promise.resolve(this.publicKey);
   }
 
-  async sign(message: Message): Promise<Signature> {
+  async sign(message: Message, isDigest: boolean = false): Promise<Signature> {
     const cmd = new SignCommand({
       KeyId: this.keyId,
       Message: message,
+      MessageType: isDigest ? "DIGEST" : "RAW",
       SigningAlgorithm: "ECDSA_SHA_256",
     });
     const response = await this.#client.send(cmd);
diff --git a/@planetarium/account/src/Account.ts b/@planetarium/account/src/Account.ts
index 087a2352320..f56e1ec29e7 100644
--- a/@planetarium/account/src/Account.ts
+++ b/@planetarium/account/src/Account.ts
@@ -7,7 +7,7 @@ import Signature from "./Signature.js";
 export interface Account {
   getAddress(): Promise<Address>;
   getPublicKey(): Promise<PublicKey>;
-  sign(message: Message): Promise<Signature>;
+  sign(message: Message, isDigest?: boolean): Promise<Signature>;
 }
 
 export function isAccount(account: unknown): account is Account {