The list of reaction tag » names assigned by the user has changed and should be refetched using messages.getSavedReactionTags ».
updateSavedReactionTags#39c67432 = Update;This constructor does not require any parameters.
The Saved Messages chat allows users to bookmark messages and media: it's a personal cloud storage for any messages or media you may want to send or forward there.
Fetch the full list of saved message tags created by the user.