The ranking token of the list the user was followed from, as that list's
answer gave it (a suggested-users row: <hex>|<viewer id>|chaining, Android
451). Sent as follow_ranking_token only when given: a follow from a profile
opened from search sends none.
The ranking token of the list the user was followed from, as that list's answer gave it (a suggested-users row:
<hex>|<viewer id>|chaining, Android 451). Sent asfollow_ranking_tokenonly when given: a follow from a profile opened from search sends none.