{
 "layers": [
  {
   "layerId": 0,
   "layerName": "reseau_hydro",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "4e22e387d64c3ae5314d091b9fce395d",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAC9JREFUOI1jYaAyYBk1cNTAYWvgYobJ/6lhWCxDLiMLjEENAxkYhkwYjho4zA0EAH73BBzJlv3UAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "height": 20,
     "width": 20
    }
   ]
  }
 ]
}