{
    "startIndex": 0,
    "childUriList": [
        "https://iserver.supermap.io/iserver/services/data-demo-2/rest/data/feature/0-12-0",
        "https://iserver.supermap.io/iserver/services/data-demo-2/rest/data/feature/0-12-1",
        "https://iserver.supermap.io/iserver/services/data-demo-2/rest/data/feature/0-12-2",
        "https://iserver.supermap.io/iserver/services/data-demo-2/rest/data/feature/0-12-3"
    ],
    "geometryType": "REGION3D",
    "featureCount": 4
}