Isaiah claims he saw the Lord Jesus Christ sitting on a throne at Isaiah 6:1-5. What is the response from the Jehovah's Witnesses?

> In the year of King Uzzah's death, I saw the Lord sitting on a throne, lofty and exalted with the train of His robe filling the temple. Vs2, Seraphim stood above Him and at vs3 one called out to another and said, "Holy, Holy, Holy, is the Lord of hosts, The whole earth is full of His glory. > > Vs5, "Then I said, "Woe is me, for I am ruined! Because I am a man of unclean lips, For my eyes have seen the King, the Lord of hosts." The verb Isaiah used for "saw" in Isaiah 6:1 is (ra'ah). it refers to the act of seeing in the literal sense, to see with the eyes (as opposed to, for example, "machazeh", which is the act or event of an ecstatic "vision)" This event is backed up by the Apostle John at John 12:41. "These things Isaiah said, because he saw His glory, and he spoke of Him." John, in referring to this event uses the Greek word (eidon)--also a verb referring to the act of seeing with the eyes in the natural sense.