{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Structure",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "Structure",
     "url": "ee859304c6d9428f14bce24fb840f37d",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAT0lEQVQ4jWOZUl0dKMjD48BABfD+y5cDLCDDTLS186hh4JmrVxlYGKgMWEYNpBiwUG4EKhg1kHLAQgUzUMCogSMiDN9/+XIAVNJSA4DMAgAqSROnrLtlswAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "BLDG",
      "FUELTANK",
      "MOBILE",
      "SMOKESTACK",
      "WATERTANK",
      "VAULT",
      "VESSEL",
      "WIER"
     ]
    },
    {
     "label": "Deck",
     "url": "8a6ae0444cf271dac914b058d4684e56",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAUElEQVQ4jWOZPXt2GiMjoxIDFcD////vsYAMS0lJqaCGgXPmzOlgYaAyYBk1kGLAQrkRqGDUQMoBCxXMQAGjBo6IMPz///89UElLDcNAZgEAQbgUv/60NOUAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "DECK",
      "PORCH"
     ]
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": "TYPE"
    }
   ]
  }
 ]
}