Called when the client is listening, and the client has successfully marked threads as seen

        :param threads: The threads that were marked
        :param author_id: The ID of the person who changed the emoji
        :param seen_ts: A timestamp of when the threads were seen
        :param ts: A timestamp of the action
        :param metadata: Extra metadata about the action
        :param msg: A full set of the data recieved
        :type thread_type: models.ThreadType

def onMarkedSeen(
        self, threads=None, seen_ts=None, ts=None, metadata=None, msg=None
    ):
        """
        Called when the client is listening, and the client has successfully marked threads as seen

        :param threads: The threads that were marked
        :param author_id: The ID of the person who changed the emoji
        :param seen_ts: A timestamp of when the threads were seen
        :param ts: A timestamp of the action
        :param metadata: Extra metadata about the action
        :param msg: A full set of the data recieved
        :type thread_type: models.ThreadType
        """
        log.info(
            "Marked messages as seen in threads {} at {}s".format(
                [(x[0], x[1].name) for x in threads], seen_ts / 1000
            )
        )