diff --git a/app/utils/precheck.py b/app/utils/precheck.py
index d499360..b1124e1 100644
--- a/app/utils/precheck.py
+++ b/app/utils/precheck.py
@@ -1,11 +1,10 @@
 #!/usr/bin/env python3
 import fastapi
 import json
-import httpx
 
 from loguru import logger
 from app.httpsig import HttpSignature
-from app.config import AP_CONTENT_TYPE, USER_AGENT
+from app import ldsig
 
 from app.database import AsyncSession
 from app.database import get_db_session
@@ -16,7 +15,7 @@ from sqlalchemy import select
 async def inbox_prechecker(
     request : fastapi.Request,
     db_session : AsyncSession = fastapi.Depends(get_db_session)
-) -> bool :
+) -> bool:
     """
     Check http request
     """
@@ -58,6 +57,11 @@ async def inbox_prechecker(
         logger.exception("Failed to precheck delete activity")
 
     actor_id = payload["actor"]
+    send_actor_id = parsec_signature["keyid"].split('#')[0]
+
+    if actor_id != send_actor_id:
+        return await ldsig.verify_signature(db_session, payload)
+
     _actor = await fetch_actor(db_session, actor_id)
 
     try: