{
  "@context": "https://www.w3.org/ns/activitystreams",
  "type": "Accept",
  "url": "http://example.com/this/rsvp",
  "actor": {
    "type": "Person",
    "name": "Alice",
    "url": "http://example.com/alice"
  },
  "object": "http://example.com/event"
}
