{
  "timestamp": "2025-04-29T14:05:00Z",
  "target": "10.255.255.1",
  "status": "down",
  "latency_ms": null,
  "error_message": "Destination Host Unreachable",
  "observer": {
    "address": "0x1234567890ABCDEF1234567890ABCDEF12345678",
    "country": "France",
    "region": "Île-de-France",
    "city": "Paris",
    "probe_version": "0.1"
  },
  "proof": {
    "hash": "0xa2b3457df1e39bfe9f04d2e31d612ea1c4c135e4724db53a8c364c8eb1337e2a",
    "signature": "0x304402200b3f9a...789def"
  },
  "version": "0.1"
}