{
  "device_id": "test_edge_device_001",
  "upload_time": "2026-01-12T10:00:00",
  "events": [
    {
      "timestamp": 1704841234.0,
      "heart_rate": 72.5,
      "rmssd": 32.8,
      "sdnn": 45.2,
      "pnn50": 0.125,
      "signal_quality": 0.87,
      "risk_score": 0.285,
      "risk_level": "LOW"
    },
    {
      "timestamp": 1704841264.0,
      "heart_rate": 74.2,
      "rmssd": 30.5,
      "sdnn": 42.8,
      "pnn50": 0.115,
      "signal_quality": 0.82,
      "risk_score": 0.312,
      "risk_level": "LOW"
    }
  ],
  "bathroom_events": [
    {
      "start_time": 1704841534.0,
      "end_time": 1704841609.0,
      "duration": 75
    }
  ],
  "summary": {
    "avg_hr": 73.4,
    "avg_rmssd": 31.7,
    "avg_risk_score": 0.299,
    "total_alerts": 0
  }
}