VizState

Field	NULL	Description	Note
zoomLevel integer		The zoom level of the map
centerPoint object		The center point of the map. This object contains 2 propeties as below: - lat: the latitude of the center point - long: the longitude of the center point

Sample:

{
   "zoomLevel": 1,
   "centerPoint": {
      "lat": 0,
      "lng": 0
   }
}