{
  "@context": "https://schema.org",
  "@type": "WebPage",
  "name": "Page Not Found",
  "description": "The page could not be found. The requested webpage does not exist, so no usable content is available.",
  "mainEntity": {
    "@type": "Thing",
    "name": "Page Not Found",
    "description": "The requested webpage does not exist."
  },
  "publisher": {
    "@type": "Organization",
    "name": "Unknown"
  }
}