VesselDraughtChangeFilter

{
    "type": "draught_change",
    "active": true,
    "draught_change_gte": 1.5,
    "excl_ports": true,
    "zone_ids": [
        "string"
    ],
    "zone_types": [
        "string"
    ],
    "zone_sub_types": [
        "string"
    ]
}