diff --git a/Dockerfile b/Dockerfile
index c1280ce..51a30bd 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -21,7 +21,5 @@ RUN apt-get update && apt-get install -y \
     apt-get update && \
     apt-get install -y docker-ce-cli
 
-RUN apt-get install -y ffmpeg
-
 
 CMD ["python", "app"]
diff --git a/app/core/background/ton_service.py b/app/core/background/ton_service.py
index 2872807..5746c82 100644
--- a/app/core/background/ton_service.py
+++ b/app/core/background/ton_service.py
@@ -264,7 +264,7 @@ async def main_fn(memory):
                         blockchain_task.meta = {
                             **blockchain_task.meta,
                             'sign_created': sign_created,
-                            'signed_message': query_boc,
+                            'signed_message': query_boc.hex(),
                         }
                         await session.commit()
                         make_log("TON", f"Created signed message for task {blockchain_task.id}" + '\n' + traceback.format_exc(), level="info")