{
  "proof": {
    "delta_ms": 0,
    "baseline_ms": 2500
  },
  "signature": "_nQK1kjEdi5txOgRJBQRQgn5xKGXFrnh3YgMGQQjLOLKmLaZ9n8fktwY9v0Vw9-4_REtC2bvAHOXA49Nv4oCAA",
  "kid": "telemetry-key-20250921"
}