mutation CancelMarketplaceOrderCancellationRequestUpload($request: CancelMarketplaceOrderCancellationRequestUploadCommandRequestInput!) {
  CancelMarketplaceOrderCancellationRequestUpload(request: $request)
}

{
  "request": {
    "orderCancellationEventKeys": [
      "id"
    ]
  }
}

{
  "data": {
    "CancelMarketplaceOrderCancellationRequestUpload": true
  }
}