How did Anthony Scaramucci become a producer on HBO's Paterno?

The New York Times

“I just gave them the dough,” said the former White House communications director, who is listed as a co-executive producer on the Barry Levinson-directed Al Pacino film. An HBO spokesperson added: "Anthony Scaramucci has a co-executive producer credit on Paterno based on early financing he brought to the project prior to HBO’s involvement."