UserIdentity
- entityType: string
_id required - kindconst:personrequired
- userType: string
_id required - emailType: stringnullable
- entityType: stringnullable
_name - lastType: stringFormat: date-timenullable
_active the date-time notation as defined by RFC 3339, section 5.6, for example, 2017-07-21T17:32:28Z
- nameType: stringnullable
- roleType: stringnullable