*****
Content-Type: application/json

{
   "nodes":[
      {
         "icon":"iVBORw0KGgoAAAANSUhEUgAAABIAAAASCAYAAABWzo5XAAAACXBIWXMAAA9hAAAPYQGoP6dpAAAAP0lEQVQ4jWNgGAV0A4wE5P8Tqx6fQf/TljijCMyK2YtTDy6DMAwhZBgTHheRBIaOQYzQsCAakBr9xOgZBbQGAKb+C8EdAkkoAAAAAElFTkSuQmCC",
         "title":"A test vector layer",
         "type":"layer"
      }
   ],
   "title":""
}
