{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Ohio River Mile Markers",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "4e8edcd22090e86ce258b43cb5981788",
     "imageData": "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",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}