Billionaire Frank McCourt's Project Liberty and several partners offered few details on their plan to buy the U.S. assets of the platform, announced the day before the high court will decide its fate.

The court is hearing oral arguments on TikTok’s bid to block a law that would lead to its ban in the U.S. starting Jan. 19 if it isn’t sold by its Chinese owner.

The law that could ban TikTok is coming before the Supreme Court. The justices largely hold the app’s fate in their hands as they hear the case Friday.