A dump in a digest's lists, with its links made absolute.
title: string
url: string
poster: string
domain: string | null
The link's host, or null for an upload.
thumbnail: string | null
An absolute image URL, or null to show no image.
votes: number
comments: number
mine: boolean
Posted by the reader, which the lists mark.
optional
addedTo: string
The followed playlist it was added to, when that's why it's listed.