{
 "layers": [
  {
   "layerId": 5,
   "layerName": "ODOT bridges",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "8f164d7374089df328ddd75ec6cfdf16",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAABB0lEQVQ4jd2UsQ2DMBBFf+EyGYAMkAWQcEETiZI9SA2DQO89KJHSgsQCGSAZgAWiD7ZiIexAQpWTzKHjeL7jPhbY2cRfAEO9aP3MbwJmeqEscaJvGgz0dY0bALUEFj4YQXmOwATNfdchkHKsWunlBTIxa1ucowjHpd0Y53Mppw5s6BLQC7Oh7KAoRqgTGKYpLp9g9icoCjx0V/0usimnKp3AMEnWVecy8VN5byn1LmDPb2JLZauJOZCXqsJzDbTrMGiROyukKUohjnHwTZswKXFfI+wxgaJ16ZEdaLmo+e/nGsqYSCh1yYCZvgaZHDV/0Tdl7nyt6+mkMV7HvzptbLDtvbb7AfsCD5RV/Z7IvusAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}