{
 "layers": [
  {
   "layerId": 7,
   "layerName": "dams_purp",
   "layerType": "Feature Layer",
   "minScale": 2311162,
   "maxScale": 288895,
   "legend": [
    {
     "label": "",
     "url": "316a91cf8be169c28427ac23921ca28f",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAQUlEQVQ4jWNhoDJgGTWQ5gYKMTAw6KCJfWRgYLhIroEyDAwM0WhitygxkGQwauCogQwMlxgYGNKpaSDJYNRAygEAWgUFrOmC1CkAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}