ClearPendingMessagesResponse

{
    "statusCode": 200,
    "instanceId": "018f47ac-7a5b-7cc2-9f9a-9b8d7f6e5d4c",
    "cancelledInDatabase": 2,
    "queue": {
        "supported": true,
        "purgedActive": 2,
        "cancelledScheduled": 0
    }
}