{ "layers": [ { "layerId": 1, "layerName": "Sydney Drinking Water Subcatchments", "layerType": "Feature Layer", "minScale": 500000, "maxScale": 0, "legend": [ { "label": "", "url": "41f34e9dcc5c8d1646309d9996466032", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAENJREFUOI1jYaAyYGFgYGBwSHnznxqGHZgjwshCDYOQAYqBB+aIMJJjCLIPaevCUQNHDRw1cHgYSI1ykTYuJLccxAYAC+IMUS/WsxoAAAAASUVORK5CYII=", "contentType": "image/png", "height": 20, "width": 20 } ] }, { "layerId": 2, "layerName": "Sydney Drinking Water Catchment", "layerType": "Feature Layer", "minScale": 0, "maxScale": 0, "legend": [ { "label": "", "url": "af2b3c083d6e5679b45e8d4647c3d04e", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAADxJREFUOI1jYaAyYKGdgfn//1Ns2kRGRlQXhlFg2CoIRUMvjxo4auCogaMG4jRwFQUmTWRkRDUQKkApAADIIAYh1jOdWQAAAABJRU5ErkJggg==", "contentType": "image/png", "height": 20, "width": 20 } ] } ] }