def METHOD_NAME(message: Message[Set[int]]) -> None:
    table = TABLE_MAPPING[self.__use_case_id]
    seen_ints = message.payload
    keys_to_pass_to_update = len(seen_ints)
    logger.debug(f"{keys_to_pass_to_update} unique keys seen")
    self.__metrics.incr(
        "last_seen_updater.unique_update_candidate_keys", amount=keys_to_pass_to_update
    )
    with self.__metrics.timer("last_seen_updater.postgres_time"):
        update_count = _update_stale_last_seen(table, seen_ints)
    self.__metrics.incr("last_seen_updater.updated_rows_count", amount=update_count)
    logger.debug(f"{update_count} keys updated")