{ "layers": [ { "layerId": 0, "layerName": "TransitStreets", "layerType": "Feature Layer", "minScale": 0, "maxScale": 0, "legend": [ { "label": "", "url": "34eddd637959a7e9ac02bef333f3a753", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAPElEQVQ4jWNhoDJgGTWQYsBCuRGoYNRAKoVhM0PPfyqYxVDLUMLIAmMwUAmwUMsgGBg1kHLAQgUzhpiBAOI9BEO9OKgWAAAAAElFTkSuQmCC", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20 } ], "legendGroups": [ { "id": "0", "heading": "" } ] } ] }