{ "layers": [ { "layerId": 0, "layerName": "Radon Test Data", "layerType": "Feature Layer", "minScale": 0, "maxScale": 0, "legend": [ { "label": "", "url": "e2c83afad4bc25c1404181e986aad0e3", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAhUlEQVQ4jWNhoDJgGTWQYsAybAxsgNIHoJgiAxu81ITqQYzbb7/X3377vRHJApINdFAV5qz3UhWE8FQFGbbdfl+/7dY7BlyGshBhIAElFEbK7bffGfCFIwsB/Q0g74HCDuZSaBiSbSAINNx++/3A7bffHcA8PBFCipcJJpfhl1OIBoPfQACTuSn+tCch5wAAAABJRU5ErkJggg==", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20 } ], "legendGroups": [ { "id": "0", "heading": "" } ] } ] }