{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Page Index",
   "layerType": "Feature Layer",
   "minScale": 577792,
   "maxScale": 0,
   "legend": [
    {
     "label": "100",
     "url": "02d7e59bfe9bd4aaecb5ec6d30eb976b",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAZ0lEQVQ4je3UsQ2AMAxE0QvyEmzDOkyBmALGYRrYAkdnRJH6XPoXKZ/kFGf3CUdixscd+wRcCvQCS2vYAiQ2rxr4HOCpH5iZFShnOjFWoJ4lGEMF6sUfchy5Z0oxsD/IpeU4KiAx1gFnthLJYs1mTQAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "100"
     ]
    },
    {
     "label": "400",
     "url": "9ba1185961a784234cb99c1c78dbf593",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAY0lEQVQ4jWNhiHn2n4GKgAVC/W9kYGA6QJlR/xwYGBjroQYyHWBYIkmZgTHPQQ6DGUg9wDJqIMWAhXIjUMGogZQDFiqYgQJGDaQcQMPwnwOkPKMEgAtYmIGM9aDCkTIDGcEUAMkjEVFeAOjuAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "400"
     ]
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": "Scale"
    }
   ]
  }
 ]
}