{
 "layers": [
  {
   "layerId": 0,
   "layerName": "1953 - 1987 Tiles",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "c7650b2e41e11177d8e41e0cd6a5d0a1",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAASklEQVQ4jWNp7O9u4eDmdGCgAvjx9fsBFg5uTgerhHBrahh4bMFKBhZqGIQMRg0cNXDUwFEDRw2EGvjj6/cDxxaspIphP75+PwAAV/MTXj8yeeEAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "height": 20,
     "width": 20
    }
   ]
  }
 ]
}