{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Field Grade Corners",
   "layerType": "Feature Layer",
   "minScale": 4000000,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "2b4e0547a568d22094b28fa0a0fd1756",
     "imageData": "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",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}