PublishedAuditEvent

actor
Type: object
Properties: 10
context
Type: object
Properties: 10
event
Type: object
Properties: 6
eventId
Type: stringFormat: uuid
schemaVersion
Type: integer

Integer numbers.
target
Type: object
Properties: 5
timestamp
Type: stringFormat: date-time

the date-time notation as defined by RFC 3339, section 5.6, for example, 2017-07-21T17:32:28Z