{
    "success": true,
    "count": 8,
    "summary": {
        "total": 8,
        "sensor_count": 6,
        "image_count": 2,
        "tss_count": 2,
        "c1_count": 2,
        "c2_count": 1,
        "wl_count": 1,
        "water_count": 2
    },
    "rows": [
        {
            "source_group": "sensor",
            "ecm_id": 2,
            "alert_type": "c1",
            "alert_label": "C1 Low",
            "last_alert_text": "C1 low level message sent",
            "last_alert_time": "2026-06-12 13:42:17"
        },
        {
            "source_group": "image",
            "ecm_id": 1,
            "alert_type": "water_silty",
            "alert_label": "Silty Water",
            "last_alert_text": "WATER_SILTY message sent",
            "last_alert_time": "2026-06-10 11:42:13"
        },
        {
            "source_group": "image",
            "ecm_id": 2,
            "alert_type": "water_silty",
            "alert_label": "Silty Water",
            "last_alert_text": "WATER_SILTY message sent",
            "last_alert_time": "2026-05-27 14:35:40"
        },
        {
            "source_group": "sensor",
            "ecm_id": 1,
            "alert_type": "tss",
            "alert_label": "TSS High",
            "last_alert_text": "TSS message sent",
            "last_alert_time": "2026-05-26 17:34:17"
        },
        {
            "source_group": "sensor",
            "ecm_id": 2,
            "alert_type": "tss",
            "alert_label": "TSS High",
            "last_alert_text": "TSS message sent",
            "last_alert_time": "2026-05-20 12:22:35"
        },
        {
            "source_group": "sensor",
            "ecm_id": 1,
            "alert_type": "c2",
            "alert_label": "C2 Low",
            "last_alert_text": "C2 low level message sent",
            "last_alert_time": "2026-05-16 17:47:10"
        },
        {
            "source_group": "sensor",
            "ecm_id": 1,
            "alert_type": "c1",
            "alert_label": "C1 Low",
            "last_alert_text": "C1 low level message sent",
            "last_alert_time": "2026-05-16 13:42:20"
        },
        {
            "source_group": "sensor",
            "ecm_id": 1,
            "alert_type": "wl",
            "alert_label": "WL High",
            "last_alert_text": "WL message sent",
            "last_alert_time": "2026-04-22 18:51:31"
        }
    ],
    "trend": [
        {
            "date": "2026-04-22",
            "count": 1
        },
        {
            "date": "2026-05-16",
            "count": 2
        },
        {
            "date": "2026-05-20",
            "count": 1
        },
        {
            "date": "2026-05-26",
            "count": 1
        },
        {
            "date": "2026-05-27",
            "count": 1
        },
        {
            "date": "2026-06-10",
            "count": 1
        },
        {
            "date": "2026-06-12",
            "count": 1
        }
    ],
    "types": {
        "tss": 2,
        "c1": 2,
        "c2": 1,
        "wl": 1,
        "water_silty": 2
    },
    "top_ecm": [
        {
            "ecm": "ECM 1",
            "count": 5
        },
        {
            "ecm": "ECM 2",
            "count": 3
        }
    ]
}