{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Routes dénommées",
   "layerType": "Feature Layer",
   "minScale": 1000000,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "71e9ad13fb884805cff838c05c9f1e71",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAG0lEQVQ4jWNhoDJgGTVw1MBRA0cNHDVwpBoIABArAFHmDwDcAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  },
  {
   "layerId": 1,
   "layerName": "Adresses",
   "layerType": "Feature Layer",
   "minScale": 10000,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "515f220e9cbd2190de739e5912a4f74f",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAeklEQVQ4je3SMQ7BYACG4ac0dkwVnV3DKRxATC5kEEancBG7qKRJB4NY6neESn4M8n/zm2f6ch9ensAEfgmsNuaBshg7ZAttFHjemobWEf1LY4BdFBgyd9ww7GWuXX0nWK401d7s+TCarJ2iQSiWatTvtH9ymwT+FnwBf9AY08JnjTQAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}