{
 "layers": [
  {
   "layerId": 1,
   "layerName": "Mine Sites",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "d3f4313b8d07d199d1a45de61eb90cf2",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAA4UlEQVQ4jWNhoDJgGTVwCIbhHgY1WwYGBhBmYGBgfMTA8P+hC8Otw2QZuIdBPUZZ43eioPA/JxD/5w/G+6+eMe/d81xd3oXh5hKSDNzDoGYrLvnXHmYYCLBz/FeUVfqTwsP/T2nPDTWsLmXB7T5GeTGpv87YZKCW7GVgYCDFwP9yIBcx0COWf/5gvA+JINIMPPz+LdM+5DCEAVDEgGKbJANdGG4d3nNDfb645N97oLCEeR9kycvnzAddGG4eJtnLLgw3l+x5rvYQZAAoTGEux2UYUWEITRo4DUAHo8UXA8UAADxLURlu36cmAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}