Congresspeople either intimidated or emboldened into rejecting some or all of the state electors to annul the actual electoral result and declare Trump the 46th president. We know this was the outcome Donald Trump's wanted because he said so several times.
I assume the individuals that brought zip ties had more specific plans for the elected officials they didn't approve of.
It wasn't a well-planned insurrection but neither was Yong Suk Yeol's