example.php

<?php

global $wpdb;
$blog_id = get_current_blog_id();

$user_query = new WP_User_Query( array(
    'meta_query' => array(
        'relation' => 'AND',
        array(
            'key' => $wpdb->get_blog_prefix( $blog_id ) . 'capabilities',
            'value' => 'subscriber',
            'compare' => 'like'
        ),
        array(
            'key' => $wpdb->get_blog_prefix( $blog_id ) . 'capabilities',
            'value' => '07_jul',
            'compare' => 'not like'
        )
    )
) );