This plugin no need any configulation. Will automatic add script type=’application/ld+json’ to all posts page.

Top Story Schema

ThemeAtelier

Sakhawat Hossain

Postify is a professional post layout plugin. The plugin will allow you to create differen types of posts layouts in your WordPress site with very simple way. You will able to create grid and carousel showcase layout for your blog posts. You just need to use simple shortcode in your page or post to show your posts.
Plugin features:
<ul>
<li>3 Grid layout with different columns</li>
<li>3 carousel layout</li>
<li>Use as post per page</li>
<li>Can be set excerpts length</li>
<li>Navigation/pagination show and hide option for carousel layout</li>
<li>Loop option for carousel layout</li>
</ul>

Postify: Post layouts for WordPress

Porfessional Blog Post Layouts For WordPress

Top Story Schema vs Postify: Post layouts for WordPress