{
    "session_uuid": "test-session-001",
    "captures": [
        {
            "filename": "valid_key_433mhz.sub",
            "latitude": 40.7128,
            "longitude": -74.0060,
            "accuracy": 5.0,
            "altitude": 10.5,
            "timestamp": "2026-01-12T10:00:00Z"
        }
    ]
}