fix: stamps are numeric

app/main.py

@@ -1,4 +1,6 @@
 from fastapi import FastAPI
+from fastapi.exception_handlers import request_validation_exception_handler
+from fastapi.exceptions import RequestValidationError
 from pydantic import BaseModel, model_validator
 from typing import Any, Dict
 
@@ -9,8 +11,8 @@ import subprocess
 class Sms(BaseModel):
     from_: str
     text: str
-    sentStamp: str
-    receivedStamp: str
+    sentStamp: int
+    receivedStamp: int
     sim: str
 
     @model_validator(mode="before")
@@ -22,6 +24,11 @@ class Sms(BaseModel):
 
 app = FastAPI()
 
+@app.exception_handler(RequestValidationError)
+async def validation_exception_handler(request, exc):
+    print(f"Invalid data received: {exc}")
+    return await request_validation_exception_handler(request, exc)
+
 
 @app.get("/")
 async def root():