{
  "type": "gps_coordinate",
  "source": "test_dataset",
  "city": "New York, NY",
  "data": {
    "latitude": 40.7128,
    "longitude": -74.006,
    "accuracy": 5.0,
    "altitude": 10.0,
    "timestamp": "2026-01-14T04:10:25.560385+00:00"
  }
}