Issue Importing DrainsTournamentManager Tournament Data to MatchPlay

I’m trying to submit an data from Drains Tournament Manager to Match Play as an external event unsuccessfully.

( Match Play Submission Page )

The error returned back is " * Data URL did not return JSON."

The tournament I’m attempting to add is the following:

What can I do to get import success?

I haven’t written the functions to move target match play data into Match Play yet. On the giant to-do list, particularly since the format seems to be gaining traction.