{ "datasetCount": 2, "datasetNames": [ "Buildings", "Roads" ], "childUriList": [ "http://3dgis.supermap.jp/iserver/services/data-s3/rest/data/datasources/VectorforDemo - Copy/datasets/Buildings", "http://3dgis.supermap.jp/iserver/services/data-s3/rest/data/datasources/VectorforDemo - Copy/datasets/Roads" ] }