{
    "timestamp": "2025-04-29T14:00:00Z",
    "target": "8.8.8.8",
    "status": "up",
    "latency_ms": 32,
    "error_message": null,
    "observer": {
      "address": "0x1234567890ABCDEF1234567890ABCDEF12345678",
      "country": "France",
      "region": "Île-de-France",
      "city": "Paris",
      "probe_version": "0.1"
    },
    "proof": {
      "hash": "0x8c5e3e81e8f304bd1c5b6a207d7553e51a3cd4e927df95a4c26c62f948b2a239",
      "signature": "0x3045022100f1f5e3a...abc123"
    },
    "version": "0.1"
  }