This doesn't seem to be a problem for the Fabric loader, but a strict parser like jq's will choke on literal newlines in strings.
Since it's not literal in the source:
|
"description": "Better Than Llamas! #BlameWyld\nhttps://twitter.com/Wyld/status/846489501320982528", |
...I'm guessing the process of expanding templates is what introduces it.