{ "layers": [ { "layerId": 0, "layerName": "Census Block", "layerType": "Feature Layer", "minScale": 0, "maxScale": 0, "legend": [ { "label": "", "url": "65ed70118d438b14f32c7cbf5fe5496e", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAS0lEQVQ4jWN5Op2hgZGRQYuBCuD/f4ZrLIyMDFpSGQxh1DDw2QyGVSzUMAgZjBo4auCogaMGjhoINfD/f4Zrz2YwrKKGYf//M1wDAKWHEEl8A7+LAAAAAElFTkSuQmCC", "contentType": "image/png", "height": 20, "width": 20 } ] } ] }