{
  "id": "alrt-2026-05-25-001",
  "account": "987654",
  "router": "12345678",
  "group": "20001",
  "type": "router_offline",
  "severity": "critical",
  "message": "Router store-0142-front has been offline for 5 minutes.",
  "details": {
    "last_seen_at": "2026-05-25T16:37:00Z",
    "last_known_carrier": "Verizon",
    "last_known_signal_strength": -88,
    "rsrp": -110,
    "rsrq": -14,
    "ipv4_address": "10.42.7.1"
  },
  "created_at": "2026-05-25T16:42:11Z",
  "acknowledged_at": null,
  "acknowledged_by": null
}