Example EndorseAction-100

JSON-LD (source lint)

<!--  John endorsed Steve. -->
<script type="application/ld+json">
{
  "@context": "http://schema.org",
  "@type": "EndorseAction",
  "agent": {
    "@type": "Person",
    "name": "John"
  },
  "endorsee": {
    "@type": "Person",
    "name": "Steve"
  }
}
</script>