{
  "location": "Building A - Lab 3",
  "sensors": [
    {
      "id": "sensor_001",
      "type": "temperature",
      "unit": "°C",
      "readings": [
        { "ts": 1747814400, "value": 22.5 },
        { "ts": 1747818000, "value": 23.0 },
        { "ts": 1747821600, "value": 23.7 }
      ]
    },
    {
      "id": "sensor_002",
      "type": "humidity",
      "unit": "%",
      "readings": [
        { "ts": 1747814400, "value": 45.2 },
        { "ts": 1747818000, "value": 47.1 },
        { "ts": 1747821600, "value": 46.8 },
        { "ts": 1747821700, "value": 35.8 },
        { "ts": 1747821800, "value": 48.2 }
      ]
    },
    {
      "id": "sensor_003",
      "type": "pressure",
      "unit": "hPa",
      "readings": [
        { "ts": 1747814400, "value": 1012.4 },
        { "ts": 1747818000, "value": 1012.8 },
        { "ts": 1747821600, "value": 1013.0 }
      ]
    }
  ]
}