{
  "baseMaps": [
    {
      "id": "0",
      "displayName": "Topography",
      "iconUri": null,
      "exportTilesMapServiceUri": null,
      "mapServices": [
        {
          "id": "21"
        }
      ],
      "extensions": [],
      "properties": []
    },
    {
      "id": "1",
      "displayName": "Imagery",
      "iconUri": null,
      "exportTilesMapServiceUri": null,
      "mapServices": [
        {
          "id": "22"
        }
      ],
      "extensions": [],
      "properties": []
    }
  ]
}