{
  "ok": true,
  "data": {
    "water_temp": null,
    "air_temp": null,
    "humidity": null,
    "status": "NO_DATA",
    "warnings": [],
    "last_reading": null,
    "thresholds": {
      "water_temp": {
        "optimal": "18-22C",
        "alert": "<15C or >28C"
      },
      "air_temp": {
        "optimal": "22-28C",
        "alert": "<10C or >35C"
      },
      "humidity": {
        "optimal": "40-60%",
        "alert": "<40% or >70%"
      }
    }
  },
  "meta": {
    "timestamp": "2026-04-18T21:01:20.947Z",
    "version": "1.0"
  }
}