{
 "layers": [
  {
   "layerId": 0,
   "layerName": "River Gages",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "36f8b6c638d780c834401f38dfd36158",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAApElEQVQ4jd3TwQ3CMAyF4f/QJWCNMkZZo6wRxmjWoGOQNToHBxs1qpIoNT7hS6xI+fQsKwPONfwNOOqZvMCg590DHIEp65spe8CQ9Qtw+wWc2dOBJJyBaAGv+vhYwQpO7NvN66JoOAuWsBwtVgt8UB45AU8L+EWXw10ENisYkZT5T6kupAcESfnWvjrqGTABKzLmywMESVndrAXcaCzCAnaXO/gBFu8YnDF0XLQAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}