{ "layers": [ { "layerId": 0, "layerName": "HCTRA_TrafficSpeedDataSegments", "layerType": "Feature Layer", "minScale": 0, "maxScale": 0, "legend": [ { "label": "", "url": "f2cdf4bd33af8d343b44f017c2a5563e", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAT0lEQVQ4jWMpLCzazsjI5MBABfD//78DLCDDAsI6OKhh4IZVFQ4sDFQGLKMGUgxYKDcCFYwaSDlgoYIZKGDUwBERhv///zsAKmmpYRjILACXWhNy4S79igAAAABJRU5ErkJggg==", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20 } ], "legendGroups": [ { "id": "0", "heading": "" } ] } ] }