"Paid for by the US Government" just means paid for at the expense of American taxpayers.
Trump is setting your tax dollars on fire for ILLEGAL political propaganda.
washingtonpost.com
Trump ad airing with government funding despite law against ‘propaganda’
A TV ad boosting President Trump and saying that it was paid for by the U.S. government is airing in two major markets despite a federal law against using tax funds for "propaganda."