Send location updates to the API to track device positions:
curl -X POST https://api.geofence.bluvolve.com/locations \
-H "Authorization: Bearer <API_KEY>" \
-H "Content-Type: application/json" \
-d '{"deviceId":"demo-1","lat":52.5200,"lon":13.4050,"ts":"2025-10-14T10:00:00Z"}'