{
 "layers": [
  {
   "layerId": 1,
   "layerName": "Air Permitted Facilities",
   "layerType": "Feature Layer",
   "minScale": 72223,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "3bb216747c8675359a708cc7eda7da2e",
     "imageData": "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",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}