{
  "T": "measurement.temperature.celsius",
  "V": {
    "reading_celsius": 23.5,
    "sensor_id": "Alpha-7"
  },
  "E": {
    "c": 0.87,
    "tau_start": "2026-05-03T14:00:00Z",
    "tau_end": "2026-05-03T15:00:00Z",
    "rho": "HVAC_Sensor_Unit_3",
    "delta": "aggregated"
  },
  "spec_name": "TempReading"
}
