{
  "url": "https://api.m2msentinel.com/v1/gas/fees",
  "grade": "C",
  "score": 65,
  "status": "scored",
  "flags": [
    "NEW_UNKNOWN"
  ],
  "first_seen": 1790249412,
  "last_probe": {
    "ts": 1790651087,
    "status": 402,
    "latency_ms": 337,
    "errors": []
  }
}