SQL to Dgraph Migration - Edges not creating

I think I caught that one of my issues with the authored.json is that the format should be:

{
    "author_id": "_:00004178-a951-4425-a260-40e548189169",
    "authored": {
      "book_id": "_:d6d30b03-27cf-4156-8b63-0218ff69a2bc"
    }
  }

I had copied the syntax from the example and didn’t catch that it probably needs to be the blank node unique external id predicate (xid).

With that said though, I fixed the authored.json, reloaded everything via the bulk loader and my authored edges still don’t seem to be creating…

Any other ideas would be appreciated - thanks in advance!