Message Structure

The Feed API returns events in the following structure:
{
    "items": [
        {
            "eventType": "heading",
            "eventVersion": 1,
            "eventData": {
                "unitId": "traxee:358014094033866",
                "assetId": "2412ba2f-4499-4933-a9ce-69f6a38f44ee",
                "registeredOn": "2025-11-04T05:31:38Z",
                "value": 0
            }
        },
        {
            "eventType": "position",
            "eventVersion": 1,
            "eventData": {
                "unitId": "traxee:358014094033866",
                "assetId": "2412ba2f-4499-4933-a9ce-69f6a38f44ee",
                "registeredOn": "2025-11-04T05:31:39Z",
                "value": {
                    "longitude": 2.8944,
                    "latitude": 50.8687,
                    "validity": true
                }
            }
        }
    ],
    "hasNext": true
}