diff --git a/dpp/api_dlt.py b/dpp/api_dlt.py
index 4d869e2..caee073 100644
--- a/dpp/api_dlt.py
+++ b/dpp/api_dlt.py
@@ -80,6 +80,7 @@ def save_proof(signature, ev_uuid, result, proof_type, user):
     if result['Status'] == STATUS_CODE.get("Success"):
         timestamp = result.get('Data', {}).get('data', {}).get('timestamp')
 
+        logger.error("timestamp: %s", timestamp)
         if not timestamp:
             return