backend/src/SignDocument/Controller/DigitalSignatureController.php

@@ -25,8 +25,13 @@ class DigitalSignatureController extends AbstractController
     {
         $token = $request->server->get('HTTP_AUTHORIZATION');
 
-        return $this->createJsonResponseFromObject(
-            $this->digitalSignatureService->getSignature($digitalSignatureRequest, $token)
+        $response =  $this->digitalSignatureService->getSignature($digitalSignatureRequest, $token);
+
+        return $this->createJsonResponse(
+            [
+                'hash' => $response->hash,
+                'content' => $response->content,
+            ]
         );
     }
 }