That’s an interesting idea Neerb. I would do a mockup but my computer is on its way to Raxus Prime!
Another way to implement Palpatine’s message would be to have it broadcast from the Navigational Antenna on Exogol.
It could go like this:
Rey: What’s the message?
Resistance base intelligence: Officer Intercepts strange sound from beyond unknown space.
Coruscant 1313 : beaping nose echoes as traffic continues as normal.
Coruscant - 1313- Bar: bounty hunter’s eating when their transmitters suddenly all start beaping.
Resistance intelligence: Tense Officer listens intently awaiting transmission.
Coruscant - 1313 - Bar: bounty hunters pickup their transmitters as beaping sound continues.
Exegol: Sith Antenna makes beaping noises as the star destroyers ascend in formation. Heavy Laughter Beams from the Antenna.
Resistance Base : Everyone is huddled in a circle. “At last”
An elegant silhouette in the clouds, shadowed by a First Order Destroyer: “The work of generations is complete”
Resistance base : faces stare at eack other in horror “The great error is corrected”
Achto Island - Exterior: “Skywalker is dead!”
Space - Remnants of a civilisation: “The Republic, Destroyed”
First Order Capital - Night: “the day of victory is at hand”
Kylo Ren’s command deck- Night: “The day of revenge, the day of the Sith”