{ "layers": [ { "layerId": 0, "layerName": "Street Sidewalk", "layerType": "Feature Layer", "minScale": 0, "maxScale": 0, "legend": [ { "label": "", "url": "5f241de8cf4db62fda31613eb7a85fc1", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAARElEQVQ4jWNhoDJgGTWQYsBCuRGoYKQaGDHZpeE/I4M9JQYx/mc4uCJ3TwNtXLgid08DVQ2kJmChqmkMowZSAwz+SAEAqIUJog7R798AAAAASUVORK5CYII=", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20 } ], "legendGroups": [ { "id": "0", "heading": "" } ] } ] }