{ "layers": [ { "layerId": 0, "layerName": "Elevation_Contours", "layerType": "Feature Layer", "minScale": 75000, "maxScale": 0, "legend": [ { "label": "", "url": "f2970c277c55631cc8a43a42fb49cb01", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAASElEQVQ4jWNhoDJgGTWQYsBCuRGoYKQa2NLSEvn3719dSgxiZma+XFNTs5w2LqypqVnOwMCwnGoGUhOwUNU0hlEDqQEGf6QAAJw/CxPbBkwYAAAAAElFTkSuQmCC", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20 } ], "legendGroups": [ { "id": "0", "heading": "" } ] } ] }