Edit 
				
					{
  "id":"_ID_",
  "jsonrpc":"2.0",
  "api": "1.0",
  "method":"hub.item.group.update",
  "params":{
    "id": "<itemGroupId>"
    "name": "_ITEM_GROUP_NAME_",
    "itemNames": [ "switch" ]
  }
}
Edit 
				
					{
    "error": null,
    "id": "_ID_",
    "result": {
    }
}