We have followed the guideline for Location push extension per documentation, however we're getting the following error response: Response: * Connection state changed (MAX_CONCURRENT_STREAMS == 1000)! * We are completely uploaded and fine < HTTP/2 400  < apns-id: xxxxxx <  * Connection #0 to host api.development.push.apple.com left intact {"reason":"DeviceTokenNotForTopic"}* Closing connection 0 Request: curl -v \ -d '{"aps":{"alert":"Testing.. (0)","badge":1,"sound":"default"}}' \ -H "apns-topic: ***.location-query" \ -H "apns-push-type: location" \ -H "apns-priority: 10" \ --http2 \ --cert-type P12 --cert ~/Desktop/push_cert/push_p12.p12 \ https://api.development.push.apple.com/3/device/xxxxxxx Documentation: https://developer.apple.com/documentation/corelocation/cllocationmanager/creating_a_location_push_service_extension There's no documentation about the json payload, It would be great if someone can clarify what could be the issue