EsriTiledMapLayer - okstate-maps/sideby GitHub Wiki

EsriTiledMapLayer

A layer served via ArcGIS, whether it be ArcGIS Online or ArcGIS Server. Note the thumbnail is pulled from the ArcGIS Online item itself. The URL will end with MapServer. When viewing the layer's URL, you'll know it's a tiled layer if you see the value Single Fused Map Cache: true. Also, on the layer's page you can ensure that the Spatial Reference is appropriate, such as Spatial Reference: 102100 (3857).

{
    "type": "EsriTiledMapLayer",
    "url": "https://services.arcgisonline.com/ArcGIS/rest/services/World_Topo_Map/MapServer",
    "display_name": "Esri Tiled Map Layer",
    "thumbnail_path": "http://www.arcgis.com/sharing/rest/content/items/30e5fe3149c34df1ba922e6f5bbf808f/info/thumbnail/thumbnail1581038983201.jpeg",
   "maxZoom": 20
}