I've been putting this off because I don't want to have many small
formatting commits, and I don't have any kind of pre-commit hook to do
it for me. So here it is :v
This thing only needs to exist so Serde can decode the response JSON
properly. I'll either get a success, a missing token, *no body at all
which doesnt' make sense*, or some other ApiError text. In all cases,
the crate::Result is returned. This thing doesn't need to be public.