{ "layers": [ { "layerId": 0, "layerName": "Highway Urban and Urbanized Areas", "layerType": "Feature Layer", "minScale": 0, "maxScale": 0, "legend": [ { "label": "", "url": "2ea6d32fcdfb74371d031ded31707751", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAU0lEQVQ4je3UoREAQQhDUUQaoAUKpGRaoIS9gZsVq4PkC+QTiMDdjwyGOmYmqkpBmSkR8YOFseCtwcmwIB144m1BPgwYTwvy9Q9rHNmu0WAt7VQfpmcRNEX0mBgAAAAASUVORK5CYII=", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20 } ], "legendGroups": [ { "id": "0", "heading": "" } ] } ] }