{
  "status": "error",
  "code": 400,
  "message": "mobile_number is required",
  "request_id": "f3f826a5-3a78-43d1-9857-903eac73c295",
  "timestamp": "2026-02-11T03:59:46.170Z",
  "observed_client_ip": {
    "request_ip": "172.64.80.1",
    "socket_remote_address": "172.64.80.1"
  }
}