CreateInvitationResponse

{
    "invitationId": "FUMzPf00hz_kcj2R2Hlzq",
    "email": "user@example.com",
    "role": "member",
    "status": "PENDING",
    "invitedBy": "string",
    "expiresAt": "2019-08-24T14:15:22.123Z",
    "acceptedAt": "2019-08-24T14:15:22.123Z",
    "acceptedByPrincipalId": "string",
    "message": "string",
    "accountId": "stringstri",
    "workspaceId": "stringstri",
    "sourceRegion": "us-east-1",
    "createdAt": "2019-08-24T14:15:22.123Z",
    "updatedAt": "2019-08-24T14:15:22.123Z"
}