Midrash su Salmi 45:7

The Holy One of Blessing is High and Exalted, His throne is [also] High and Exalted. And from where do we know that the Holy One of Blessing is called "High and Exalted"? From (Isa. 57:15) "This is what [Ad-nai] High and exalted said". And from whre do we know that even His throne is High and Exalted? From (Isa. 6:1) "And I saw my Lord sitting on a high and exalted throne" etc. The Holy One of Blessing is called Justice as it says "I, Ad-nai, am the Speaker of Justice" (Isa. 45:19) - and from where do we know that even His throne is called Justice? From "Justice and Judgment are the foundation of Your throne" (Ps. 89:15)The Holy One of Blessing is called Judgment as it says "because a God of Judgment is Ad-nai" (Isa. 30:18) and even His throne is called Judgment, as it says "from there were sat thrones of Judgement (Ps. 122:5).The Holy One of Blessing is called Truth as it says "Ad-nai is a God of Truth" (Jer. 10:10) and even His throne is called Truth, as it says "And he readied in Lovingkindness a throne, and sits there in Truth (Isa. 16:5). The Holy One of Blessing is called Glory as it says "May the King of Glory enter" (Ps. 24:7) and even His throne is called Glory, as it says "A throne of Glory, high from the beginning" (Jer. 17:12). May the King of Glory come and sit on the Throne of Glory, in the Temple of Glory as it is said "and in His Temple everything says 'Glory!'" (Ps.29:9) The Holy One of Blessing is called Holy as it says "Holy, holy Holy is Ad-nai Tzevaot, the whole earth is filled with His Glory" (Isa. 6:3) and even His throne is called Holy, as it says "God sat on His throne of Holiness (Ps. 47:9). May the King of Holiness come and sit on the Throne of Holiness, in the great secret of holy ones, as it is said: “A God dreaded in the great secret of the holy ones” (Ps. 89:8). - How many thrones the Holy One of Blessing has!He has an Established throne, as it says "Your throne has been established ever since time" (Ps. 93:2). He has a throne of Justice and Judgment, as it says "Justice and Judgement are the foundation of Your throne" (Ps. 89:15). He has a throne of Lovingkindness, as it says "He readied in Lovingkindness a throne" (Isa. 16:5). He has a Throne of Yah, as it says "because there is a hand against the throne of Yah" (Ex. 17:16). He has a throne of Glory, as it says "a throne of Glory high from the beginning " (Jer. 17:12). He has a throne of Truth, as it says "He readied in Lovingkindness a throne and sits there in Truth" (Isa. 16:5). He has a Holy throne, as it says "God sat on his throne of Holiness"(Ps. 47:9). He has an eternal throne, as it says "Your throne, oh God is forever and ever"(Ps. 45:7). He has a throne of Mercy, as it says "To our Lord belongs Mercy and Forgivenesses" (Daniel 9:9). He has a throne of Sovereignty, as it says "and Sovereignty shall be Ad-nai's"(Obadiah 1:21). He has a High and Exalted throne, as it says "And I saw my Lord sitting on a high and exalted throne" (Isa. 6:1). May the High and Exalted King sit on the High and Exalted throne, blessed, and exalted, and higher than any blessing and praise.

The scepter shall not depart from Judah (Gen. 49:10). This alludes to the scepter of kingship, as it is said: The throne given of God is forever and ever; a scepter of equity is the scepter of Thy kingdom (Ps. 45:7).

..."Until he comes to Shiloh" - the one to whom the kingdom is his (shelo); "and to him will be a gathering of peoples" - the one to whom the nations of the world will stream, as it is stated (Isaiah 11:10), "the stock of Jesse that has remained standing shall become a standard to peoples—nations shall seek his counsel"...