PositionalDiscrepancy(PositionalDiscrepancy)

{
    "id": 9021,
    "transaction_id": 2840116,
    "event_type": "SAME_POSITION",
    "mmsi": "367594740",
    "duration_hours": 24,
    "start_latitude": 1.264,
    "start_longitude": 104,
    "start_draught": 12.5,
    "start_timestamp": "2026-05-01T02:15:00",
    "stop_latitude": 1.3,
    "stop_longitude": 104.1,
    "stop_draught": 12.5,
    "stop_timestamp": "2026-05-01T05:45:00",
    "severity": "OK",
    "overall_severity": "OK",
    "start_zones": [
        {
            "zone_id": 12,
            "zone_name": "Piracy High Risk Area",
            "severity": "NOT_APPLICABLE"
        }
    ],
    "stop_zones": [
        {
            "zone_id": 12,
            "zone_name": "Piracy High Risk Area",
            "severity": "NOT_APPLICABLE"
        }
    ],
    "start_ports": [
        {
            "name": "Singapore",
            "country_name": "Singapore",
            "unlocode": "SGSIN",
            "severity": "OK"
        }
    ],
    "stop_ports": [
        {
            "name": "Singapore",
            "country_name": "Singapore",
            "unlocode": "SGSIN",
            "severity": "OK"
        }
    ]
}