{
 "layers": [
  {
   "layerId": 0,
   "layerName": "arbres",
   "layerType": "Couche d\u2019entités",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "0b470b77e2d2e9c15138a3c5d73073a0",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAiUlEQVQ4jWNhoDJgGTWQYsAybAxsgNIHoJgiAxsCFUTqQYzrH77V3/jwrRHJApINdNAQ4KoPUBABcwIYGBg2PHhTv/7BGwZchrIQMlBTgIuAEgoj5fqHbwz4wpGFgP4GkPdAYQdzKTQMyTYQBBpufPh24MaHbw5gHp4IIcXLBJPL8MspRIPBbyAA1sgqEBl9droAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}