President-elect Donald Trump met with the head of TikTok at his Mar-a-Lago club Monday afternoon, a person familiar with the meeting told CNN, as the social media giant is asking the Supreme Court to wade into a court fight over use of the app in the United States.

TikTok on Monday asked the Supreme Court to step in on an emergency basis to block the federal law that would ban the popular platform in the United States unless its China-based parent company agreed to sell it.

TikTok made a last-ditch effort on Monday to continue operating in the United States, asking the Supreme Court to temporarily block a law intended to force ByteDance, its China-based parent company, to divest the short-video app by Jan.