{ "layers": [ { "layerId": 0, "layerName": "水闸", "layerType": "Feature Layer", "minScale": 0, "maxScale": 0, "legend": [ { "label": "", "url": "16f2dfd2d8e22ae430b0482e58806c81", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAH5JREFUOI3t0bEJgDAQheH/wBHTZAwnCE7gGDbZ8VmEgEhyBrQQ9KoU7z4euYmHZ/rBr4ECGZhAI8s1a2BuwxrowUfAbXgFe9AQCKBtEzGWd86yEFy0C2qexbpSMQBCKG2XBUupCTdBQcF6kxLnYzTBGhj5q/OO2/DO/OALwR2wqSHLUAajQgAAAABJRU5ErkJggg==", "contentType": "image/png", "height": 20, "width": 20 } ] } ] }