{ "layers": [ { "layerId": 0, "layerName": "U.S. Cities", "layerType": "Feature Layer", "minScale": 0, "maxScale": 0, "legend": [ { "label": "", "url": "db57b50c184ace316482208d2daf2ca0", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAFNJREFUOI1jYaAyYBk1cNRAOPiPxGak1MD/DMtKELyonv/4DCVkIKphDAwMDMtK8Bo69COFkSGqBz0MIeJkGogwFJmPBxDrZbyGkGMg0WDUQMoBAI89EDjP8oI7AAAAAElFTkSuQmCC", "contentType": "image/png", "height": 20, "width": 20 } ] } ] }