{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Culvert Survey Data",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "ac04cdea3a50bc8fc11cf88f54c08c5a",
     "imageData": "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",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}