article.js

<script type="application/ld+json">
{ "@context": "https://schema.org", 
 "@type": "Article",
 "headline": "Extra! Extra! Read alla bout it",
 "alternativeHeadline": "This article is also about robots and stuff",
 "image": "http://example.com/image.jpg",
 "author": "Patrick Coombe", 
 "award": "Best article ever written",
 "editor": "Craig Mount", 
 "genre": "search engine optimization", 
 "keywords": "seo sales b2b", 
 "wordcount": "1120",
"publisher": {
    "@type": "Organization",
    "name": "Google",
    "logo": {
      "@type": "ImageObject",
      "url": "https://google.com/logo.jpg"
    }
  },
 "url": "http://www.example.com",
   "mainEntityOfPage": {
    "@type": "WebPage",
    "@id": "https://google.com/article"
  },
 "datePublished": "2015-09-20",
 "dateCreated": "2015-09-20",
 "dateModified": "2015-09-20",
 "description": "We love to do stuff to help people and stuff",
 "articleBody": "You can paste your entire post in here, and yes it can get really really long."
 }
</script>

Noticed 2 < at the start of this one.

fixed! Good eye :) thank you @smakinson