Create Widget Before Posts On Blog Page Template

genesis_register_sidebar( array(
    'id'        => 'text-before-blog',
    'name'      => 'Text Before Blog',
    'description'   => 'This is the widget for displaying text before blog posts.',
) );

add_action('genesis_before_content', 'apparition_text_before_blog' );
function apparition_text_before_blog() {
 
    if( is_page(139) ) {
        echo '<div class="text-before-blog">';
            dynamic_sidebar( 'text-before-blog' );
        echo '</div>';
    }
}