public static function decreaseFollowersCount($entity)
    {
        $finder = \XF::finder('XF:User')
            ->where('user_id', $entity->follow_user_id);
        $user = $finder->fetchOne();
        if ($user)
        {
            $user->fastUpdate('sc_user_follow', $finder->columnSqlName('sc_user_follow') . "- 1");
        }
    }
    public static function increaseFollowersCount($entity)
    {
        $finder = \XF::finder('XF:User')
            ->where('user_id', $entity->follow_user_id);
        $user = $finder->fetchOne();
        if ($user)
        {
            $user->fastUpdate('sc_user_follow', $finder->columnSqlName('sc_user_follow') . "+ 1");
        }
    }