Get your taxes done using TurboTax

No additional guidance per se, but I got same response from TT.  So I just made a miscellaneous income entry of $0, and that ended up including the Schedule 1 with my return, with the appropriate 1099-K info shown at top of the Schedule.

 

And for what it is worth, my return was approved and refund already received.  All in less than 14 days…