{
 "layers": [
  {
   "layerId": 18,
   "layerName": "Retaining Wall",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "18f3363dd697a982105f067a70f29109",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAkElEQVQ4je2Q0QmDMBCGvwdHaHewNEM4hbpN0m1ip8gQF+wOyRC+xCIUotE+5oNwBI7v/ruGP9NUYRV+Mam69C4JzWMcNEAQ0VH8azOgWNjd1FO3Yw9AS8/HvvVsp23qMuFdqZ2WMuEPQQQyd9wTmtlOBBG9Jk03PC0EMFG8i+K79Z9rPrqyy6U6IzxMFV5nAS/jKUaJKcNkAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}