{
 "layers": [
  {
   "layerId": 2,
   "layerName": "urbanareas2000",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "aaa7931ff82d60f35f3d2578379c5122",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAS0lEQVQ4jWMpLCzazsjI5MBABfD//78DLIyMTA5RcR0c1DBw2aIKBxZqGIQMRg0cNXDUwFEDRw2EGvj//78DyxZVOFDDsP///x0AAJcaE2A3NT+NAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}