{ "layers": [ { "layerId": 0, "layerName": "Highways", "layerType": "Feature Layer", "minScale": 0, "maxScale": 0, "legend": [ { "label": "IH", "url": "47a71bd2116148cf65cc0bcf3422fff2", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAQ0lEQVQ4jWNhoDJgGTWQYsAygg38/7vtPyUGMbJWMaIYSC3AgmQDdQ38/7uNIoMYoQ5iQQ+DEZRsqAVYqGYSw4g1EAAU+whSTuMBQQAAAABJRU5ErkJggg==", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20, "values": [ "IH" ] }, { "label": "SH", "url": "6ad3518f41609acb000377244311a6e4", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAPUlEQVQ4jWNhoDJgGTWQYsBCuRGoYNRAKoVhp0vqfyqYxVC+ZzYjC4zBQCXAQi2DYGDUQMoBCxXMGGIGAgA4aQYg3spTngAAAABJRU5ErkJggg==", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20, "values": [ "SH" ] }, { "label": "US", "url": "7006562ce5c0d0200867f668b073c722", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAPElEQVQ4jWNhoDJgGTWQYsBCuRGoYNRAKobhLxPB/5QYxHbmPSOKgTABSgELNQxBBqMGUg5YqGDGEDMQAA2dBhOa5Oe9AAAAAElFTkSuQmCC", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20, "values": [ "US" ] } ], "legendGroups": [ { "id": "0", "heading": "Type" } ] } ] }