nslLoginRedirectOnRoleMatch.php

<?php

function redirectWhenRoleMatches($user_id, $provider) {
    $user       = get_userdata($user_id);
    $user_roles = $user->roles;

    if (in_array('subscriber', $user_roles, true)) {
        add_filter($provider->getId() . '_login_redirect_url', function () {
            return 'https://example.com/page-for-subscribers';
        });

        //Or you can also use it by specifying the id of the provider directly, like:
        /*
        add_filter('facebook_login_redirect_url', function () {
            return 'https://example.com/page-for-subscribers';
        });
        */
    }
}
add_action('nsl_login', 'redirectWhenRoleMatches', 10, 2);