The implication was meant to be that the information under `data/object` is simply a full representation of another API resource of the type on which the event

The implication was meant to be that the information under `data/object` is simply a full representation of another API resource of the type on which the event occurred, and that you can look elsewhere in the documentation to see exactly what each type will look like (you can see a subscription embedded in the sample response for example). Fair enough that we could rewrite this to be more explicit about that though! We'll see what we can do to make that section more clear. (I work for Stripe.)