{ "layers": [ { "layerId": 0, "layerName": "行政區", "layerType": "Feature Layer", "minScale": 4000000, "maxScale": 0, "legend": [ { "label": "", "url": "59ab2ba5127e9c13832fed8767d21269", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAeUlEQVQ4jeWUSwrAMAhELXokwfsvPZS0WDBI6Ic2Flr6VsGECZkhQ8w8Q0JVQUTy6HDen6FY9Btb7M0Dv3AVdBBxgpuYWXtlE6yCygX1xJcrqIfiRlaJSg6lCvpXKE5pKB/xEN4sqFFfVUj+KbmCRnjGw6j20fp3kQUFnTOpdJo89wAAAABJRU5ErkJggg==", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20 } ], "legendGroups": [ { "id": "0", "heading": "" } ] } ] }