<script type="application/ld+json">
{
  "@context": "http://schema.org",
  "@type": "Article",
  "mainEntityOfPage": {
    "@type": "WebPage",
    "@id": "https://example.com/article"
  },
  "headline": "Sample Article Headline",
  "image": {
    "@type": "ImageObject",
    "url": "https://example.com/article-image.jpg",
    "height": "800",
    "width": "1200"
  },
  "datePublished": "2022-01-01",
  "dateModified": "2022-01-02",
  "author": {
    "@type": "Person",
    "name": "John Doe",
		"url": "https://example.com/article"
  },
  "publisher": {
    "@type": "Organization",
    "name": "Example.com",
    "logo": {
      "@type": "ImageObject",
      "url": "https://example.com/logo.png",
      "width": "600",
      "height": "60"
    }
  }
 }
  "description": "This is a sample article description.",
  "articleBody": "This is the main text of the article. It can include paragraphs, headings, images, and other elements.",
  "keywords": "article, sample, JSON"
}
</script>

This JSON snippet includes the required properties for an Article schema, such as headline, datePublished, author, publisher, description, and articleBody. It also includes additional properties such as image, dateModified, and keywords.