{
 "layers": [
  {
   "layerId": 0,
   "layerName": "National Bridge Inventory",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "578397f517627dacbee7586c39cf9663",
     "imageData": "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",
     "contentType": "image/png",
     "groupId": "0",
     "height": 24,
     "width": 24
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  },
  {
   "layerId": 1,
   "layerName": "Improved (GTE $5,000)",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "135a832f1e7edbe4e7ff2d24c3211761",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAq0lEQVQ4ja3VPQrCQBDF8f/C1Kn2EIKlZ/EuYmXpXXIW+1Q5QSovMDKYFT/iRtw39eMHA48ZczgCHfXZAMNKJgOjBZbg8C3lsAcuCfpKZss91wXICsYvWIKTw9lUGPOYElsEW7APsBV7ARXYA1RhBcwqDMimwnzeMsBJhQGTqbAEvcPOVBiVYv+NLRW7CXsvdjPGU7ElWAGj2BKsgGNc2jiOtWB5A1GNSuZ6A1peU+VcIcEtAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}