Edit in JSFiddle

<script type="application/ld+json">
{
  "@context": "http://schema.org/",
  "@type": "Product",
  "name": "Yoast SEO for WordPress",
  "image": "https://cdn-images.yoast.com/uploads/2010/10/Yoast_SEO_WP_plugin_FB.png",
  "description": "Yoast SEO is the most complete WordPress SEO plugin. It handles the technical optimization of your site & assists with optimizing your content.",
  "brand": {
    "@type": "Thing",
    "name": "Yoast"
  },
  "offers": {
    "@type": "Offer",
    "priceCurrency": "USD",
    "price": "69.00"
  }
}
</script>