<?php
    $arrData = array(
        'username' => 'test',
        'email' => 'test@test.at',
        'images' => array(
            array(
                'name' => 'test',
                'url' => 'http://url1.test'
            ),
            array(
                'name' => 'test',
                'url' => 'http://url1.test'
            )
        )
    );
?>

<?php
    $hydrator = new DoctrineModuleStdlibHydratorDoctrineObject($objectManager);
    $user = $hydrator->hydrate($arrData, new ApplicationEntityUser());
?>

DoctrineORMORMException
The identifier id is missing for a query of ApplicationEntityImage