newsupernova/vendor/magento/module-braintree/view/adminhtml/templates/grid/tooltip.phtml

<?php
/**
 * Copyright © Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */

/**
 * @var \Magento\Backend\Block\Template $block
 */
?>
<?= $block->escapeHtml($block->getData('tooltip_content'));