Here is valid Article starter code if anyone wants to use.
Code:
<script type="application/ld+json">
{
"@context" : "http://schema.org",
"@type" : "Article",
"headline": "Your Headline",
"name" : "Name",
"mainEntityOfPage": "hxxps://www.yoursite.com/article.html",
"datePublished": "2016-05-08",
"dateModified": "2019-01-06",
"image" : "hxxps://www.yoursite.com/article-image.jpg",
"publisher": {
"@type" : "Organization",
"name" : "Your Business",
"logo": {
"@type": "ImageObject",
"name": "xxx-Logo",
"width": "480",
"height": "60",
"url": "hxxps://www.yoursite.com/logo.png"
}
},
"author" : {
"@type" : "Person",
"name" : "Author Name"
}
}
</script>