diff --git a/packages/signing/signDocument.ts b/packages/signing/signDocument.ts
index 3cfa7cda1..fba752b0a 100644
--- a/packages/signing/signDocument.ts
+++ b/packages/signing/signDocument.ts
@@ -1 +1,4 @@
-export const signDocument = (document: any) => {};
+export const signDocument = (documentAsBase64: string): string => {
+    
+  return documentAsBase64;
+};