<service id="sonata.news.admin.post" class="%sonata.news.admin.post.class%">
    <tag name="sonata.admin" manager_type="orm" group="sonata_blog" label="post"/>
    <argument />
    <argument>%sonata.news.admin.post.entity%</argument>
    <argument>%sonata.news.admin.post.controller%</argument>

    <call method="setUserManager">
        <argument type="service" id="fos_user.user_manager" />
    </call>

</service>