I think they are supposed to validate that the NIL purchaser (The University or private company) is getting something in return for use of the NIL of the athlete. For example, a car dealership has to show that using Cooper Flagg's NIL in commercials actually generated web traffic on their car dealership website or foot traffic at the brick and motor dealership location. There are ways of measuring this from a marketing standpoint.
The goal is to avoid some rich oil man just dumping a bag o' cash on athletes to buy championships.
And yeah, Deloitte is gonna get rich off this contract. And it will be a complete shid show.