{ "layers": [ { "layerId": 0, "layerName": "open_data.gis_data2.osp_bpc", "layerType": "Feature Layer", "minScale": 0, "maxScale": 0, "legend": [ { "label": "", "url": "09191add24a9fd8b8192ae538d37e2d4", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAjklEQVQ4jWNhoDJgGTWQYsAybAwsh9JHGRgYjlBqYLmhG18DiPHi3s/fz+/8bGVgYOgk10AbSRX2al1HPg4QR9eRgePy/k8N53d9YsBlKAsBA60llNhZCXuCgkgBeRsalmQZ2Any3ot7P6thLoWG4RFKXNj5/M7Po8/v/LSG8anh5SOEksvwyylEg8FvIABATSvpoVc9mAAAAABJRU5ErkJggg==", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20 } ], "legendGroups": [ { "id": "0", "heading": "" } ] } ] }