CallbackType: "audio_new" | "board_post_new" | "board_post_edit" | "board_post_restore" | "board_post_delete" | "confirmation" | "group_leave" | "group_join" | "group_change_photo" | "group_change_settings" | "group_officers_edit" | "lead_forms_new" | "market_comment_new" | "market_comment_delete" | "market_comment_edit" | "market_comment_restore" | "market_order_new" | "market_order_edit" | "message_new" | "message_reply" | "message_edit" | "message_allow" | "message_deny" | "message_read" | "message_typing_state" | "messages_edit" | "message_reaction_event" | "photo_new" | "photo_comment_new" | "photo_comment_delete" | "photo_comment_edit" | "photo_comment_restore" | "poll_vote_new" | "user_block" | "user_unblock" | "video_new" | "video_comment_new" | "video_comment_delete" | "video_comment_edit" | "video_comment_restore" | "wall_post_new" | "wall_reply_new" | "wall_reply_edit" | "wall_reply_delete" | "wall_reply_restore" | "wall_repost"