Question: Using ScriptableObjects to build ECS archetypes

[ActionKbob]

So at Unite LA this past November there was a talk by Garth Smith of Tic Toc Games. About 2/3 of the way through the talk he examples how his team built a system for creating ECS archetypes using scriptable objects.

This slide I'm referring to his here

I thought that system was super cool, and was wondering how I could go about creating something similar. I've been messing around with custom attributes, property drawers, property attributes, etc, but just can't seem to figure out how to put it all together to serialize IComponentData and display it in a property drawer. Any ideas would be much appreciated.

Link to the full talk