{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Fire Hydrants",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "Fire Hydrant",
     "url": "303c94a3b13d20976437571771d9f90f",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAmUlEQVQ4je2TMQqDUBBEH7gEK8/xIXgWQQiBdJ4jh0kZbEK8ihIwVwkEwsAWaaLytRDJdLPFY3aWNRaW/YGzZZsBBqAAeqCZC7zkUB5hV8OrgxtQxQKDYC1kMmdIT3C4wv1XUhsBFkr2PdhD4hVEAXutqWQyT3jLe5fEABt1pjWVzDt8DB3GGFflnYWlroxDBkHb+5TJWj/wA06EIOru7rT7AAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}