{ "layers": [ { "layerId": 0, "layerName": "Building Footprints 2018", "layerType": "Feature Layer", "minScale": 5000, "maxScale": 0, "legend": [ { "label": "", "url": "5b3744ce4c4ffbbb5b5d4cecb7a2fd00", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAR0lEQVQ4je3MMRHAMAwDwOrOSEJIRlEMgRA6JmQqytKhADzqAXxk5itpPQMAdEhaVbUnQpInJqI/hw4dOnT4hQCa5JnIAPQFctsP/cPnuUQAAAAASUVORK5CYII=", "contentType": "image/png", "height": 20, "width": 20 } ] } ] }