Caliper MessageEvent sans learning context (i.e., minus optional Event properties).

caliper-event-basic_message_posted.json

{
  "@context": "http://purl.imsglobal.org/ctx/caliper/v1p1",
  "type": "MessageEvent",
  "actor": {
    "id": "https://example.edu/users/554433",
    "type": "Person"
  },
  "action": "Posted",
  "object": {
    "id": "https://example.edu/sections/1/forums/2/topics/1/messages/2",
    "type": "Message",
    "body": "What does Caliper Event JSON-LD look like?",
    "dateCreated": "2016-12-15T10:15:00.000Z"
  },
  "eventTime": "2016-12-15T10:15:00.000Z",
  "uuid": "0d015a85-abf5-49ee-abb1-46dbd57fe64e"
}