{ "layers": [ { "layerId": 0, "layerName": "Ubol_majorstream", "layerType": "Feature Layer", "minScale": 0, "maxScale": 0, "legend": [ { "label": "", "url": "2fbb9759ac8898fabfb411ad7a3b15b5", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAOklEQVQ4jWNhoDJgGTWQYsBCuRGoYEQbuOr5fopMCpN0RDWQSoAF3QbqGUglwEItg2Bg1EDKweAPQwAilAQBBWgcyAAAAABJRU5ErkJggg==", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20 } ], "legendGroups": [ { "id": "0", "heading": "" } ] } ] }