// If something is favorited by the current user, it also sets the 'favorited' property but does not increment counter to avoid over-counting. Counter is incremented (updated, really) via response to the favorite request.
const user = {
id: '1',
}
const ownFavorite = {
id: '3',
type: 'favorite',
in_reply_to_status_id: '1', // The API uses strings here...