2 Immediately I was in spirit. Behold, there was a throne set in heaven, and one sitting on the throne
I was in spirit and behold a throne – in Rev 1:10, John was transported by the spirit of God into the LORD’s Day, and now he is about to see heaven thereafter.
One sitting on the throne – we are about to see the same vision of God that Ezekiel saw in Ezekiel 1.