{
 "layers": [
  {
   "layerId": 0,
   "layerName": "core_london_borough",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "6fec8e7662be44f7e258d6752358c167",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAASklEQVQ4jWMpKizczsTE6MBABfDv3/8DLExMjA4dDakc1DCwomG2Aws1DEIGowaOGjhq4KiBowZCDfz37/+BiobZDtQw7N+//wcAnDkTMjfBwtsAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "height": 20,
     "width": 20
    }
   ]
  },
  {
   "layerId": 1,
   "layerName": "core_london_lsoa_2011",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "b434796aebd2e528d3631d6fff51f639",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAS0lEQVQ4jWMpyi/czsTE5MBABfDv378DLExMTA4dTgUc1DCwYt8EBxZqGIQMRg0cNXDUwFEDRw2EGvjv378DFfsmOFDDsH///h0AAJYxE2KiCkAFAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "height": 20,
     "width": 20
    }
   ]
  },
  {
   "layerId": 2,
   "layerName": "core_london_ward_2021",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "893f362008c1f73e5c06f2d35344d8a9",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAS0lEQVQ4jWMpLCzazsTI5MBABfDv/78DLEyMTA65CR0c1DBw8oIKBxZqGIQMRg0cNXDUwFEDRw2EGvjv/78DkxdUOFDDsH///x0AAJy+E0rW/gryAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "height": 20,
     "width": 20
    }
   ]
  },
  {
   "layerId": 5,
   "layerName": "core_london_oa_2011_gen",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "4496c00baca94562147f5fa08ea081d1",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAS0lEQVQ4jWMpKizczsTI6MBABfDv//8DLEyMjA4dYX4c1DCwYtUmBxZqGIQMRg0cNXDUwFEDRw2EGvjv//8DFas2OVDDsH///x8AAJbuE3RyUML8AAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "height": 20,
     "width": 20
    }
   ]
  }
 ]
}