{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Pistes",
   "layerType": "Couche d\u2019entités",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "autre | non fléchée",
     "url": "57e0e367bc4cf776c8ca8e3bbc16c65a",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAASUlEQVQ4jWNhoDJgGTWQYsAyQg38v5rBgRqGMYYyHGABG/afYT81DPy/msGR+l5mDGU4ADKZal5mgDIYRlayoSZgoappDCPSQADQBg4RqNepRAAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "autre",
      "non flechee"
     ]
    },
    {
     "label": "fléchée",
     "url": "07617c34f118d9c8e0fbf0c895a2364d",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAARUlEQVQ4jWNhoDJgGTWQYsAyAg38z8DgwMDAUM8AoSkBBxgYGBpZqGQYA8wMmoRhI5RNHS8zQhggPFKSDcOogZQCqochAHHuCBIgAyJnAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "flechee"
     ]
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": "PROMENADE"
    }
   ]
  }
 ]
}