Is Hearn negotiating GGG v Callum Smith in LA?

People think Hearn is in LA to talk about Wilder v AJ, but an interview last week he already confirmed he is going to LA and said "we can start negotiating then" implying if they want it, he's there and ready to talk. His trip there isn't for that though. I think it's about Smith v GGG, he's talked about wanting to make that fight for next year at Anfield and thinks it can be done. He talks about going to LA at the end of this clip and it seems there's a primary reason he's there and it's not about Wilder v AJ.