Then King Nebuchadnezzar sent out a summons to assemble the satraps, prefects, governors, counselors, treasurers, judges, magistrates, and all the other authorities of the province to attend the dedication of the statue that he had erected.

So the satraps, prefects, governors, counselors, treasurers, judges, magistrates, and all the other provincial authorities assembled for the dedication of the statue that King Nebuchadnezzar had erected. They were standing in front of the statue that Nebuchadnezzar had erected.