diff --git a/packages/core/src/types/data.ts b/packages/core/src/types/data.ts
index 0dc8059..57c4ff2 100644
--- a/packages/core/src/types/data.ts
+++ b/packages/core/src/types/data.ts
@@ -972,7 +972,7 @@ export type CreateHashRequest = {
 
 export type CreateHashResponse = {
   ts: number;
-  hash: string;
+  sign: string;
   payload?: string;
 };