{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Bridges",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "d454986730ec918655f39a5f8cc26535",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAmElEQVQ4je3Syw3DIAyA4f+QaVgCsgPzFJJ5vEPJEp6nBxOph0AL6qVqfeFh8ckWXvhwLH/wO8EMpLovwFHvpsB7hBDrQSEIBAUPrKNgdk8YgANugBicryrtgT42EtHQNAoG10m2YuqX1ZYyCm4C6aptseUYBbOA1/oxZ/tiFRYao/Oq5VUh7zYm4ay8hb0D0ns8Cw7FD4IPbU4ep/j3KZoAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "height": 20,
     "width": 20
    }
   ]
  }
 ]
}