{
  "@context": "https://www.w3.org/ns/activitystreams",
  "type": "Accept",
  "url": "http://example.com/this/rsvp",
  "object": [{
    "id": "http://example.com/event",
    "type": "Event"
  }, {
    "id": "http://other.event",
    "type": "Event"
  }]
}
