{
    "date": 1753918919000,
    "data": 49.9895,
    "frequency": 49.9895,
    "unit": "Hz",
    "status": "normal",
    "message": "Frekvensen är stabil",
    "trend": {
        "short_term": "stigande",
        "long_term": "stigande",
        "change_per_second": 0.0002,
        "avg_deviation": 3.5e-5
    },
    "statistics": {
        "min_30min": 49.9158,
        "max_30min": 50.051,
        "average_30min": 49.9914,
        "stability_index": 0.031177
    },
    "forecast": {
        "next_minute": 50.0015,
        "next_5_minutes": 49.9895,
        "confidence": "medium"
    },
    "metadata": {
        "source": "SVK",
        "data_points": 3600,
        "time_span": "30 minutes",
        "last_measurement": "2025-07-31T01:41:59+02:00",
        "updated": "2025-07-31T01:42:35+02:00"
    }
}