Sorry, I’ve been swamped with a lot of stuff, so haven’t had much of a chance to look into this, but, yes, the example you listed is more or less what I suggested. I must be missing something somewhere.
It’s been hard to point you to an example, because we have some java code that dynamically created the json structures that we use, so I was trying to quickly look through that to figure out the format. You can take a closer look here… hopefully it will help some!