{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Mail Shipping Facilities",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "d59b933f8abdae85d8b16a2b25cefd87",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAeElEQVQ4je3QzQnAIAyG4ffgGB2kRzdLulmODpJBetBKoVTtz9EPRALymCTwc8IEJ1ij5bZyPoHKqgKAm+C2nT54DEaWKKxSSoG0CUm5Q0fAzpNn4DVu0NhjD1SS5t0dneYdvgYz6ma4xVo3Mjqytbp6Aw5ngt+zA1pYH6XDjhwbAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "height": 20,
     "width": 20
    }
   ]
  }
 ]
}