mutation RemoveItemFromMarketplaceOffer($request: RemoveItemFromMarketplaceOfferCommandRequestInput!) {
  RemoveItemFromMarketplaceOffer(request: $request)
}

{
  "request": {
    "offerKeys": [
      "id"
    ],
    "removeDataFromItem": true
  }
}

{
  "data": {
    "RemoveItemFromMarketplaceOffer": true
  }
}