curl --request POST \
  --url https://api.bold-factory.com/v1/items/skus/{removeReference}/merge/{remainReference} \
  --header 'Authorization: Bearer <token>'

{
  "id": "<string>",
  "externalReference": "<string>",
  "code": "<string>",
  "name": "<string>",
  "description": "<string>",
  "validationErrors": "<string>",
  "productId": "<string>",
  "imageFileId": "<string>",
  "image": {
    "id": "<string>",
    "readOnlyUri": "<string>"
  },
  "product": {
    "id": "<string>",
    "externalReference": "<string>",
    "code": "<string>",
    "name": "<string>",
    "description": "<string>",
    "deletedAt": "2023-11-07T05:31:56Z",
    "createdAt": "2023-11-07T05:31:56Z",
    "createdBy": "<string>",
    "lastModifiedAt": "2023-11-07T05:31:56Z",
    "lastModifiedBy": "<string>"
  },
  "deletedAt": "2023-11-07T05:31:56Z",
  "createdAt": "2023-11-07T05:31:56Z",
  "createdBy": "<string>",
  "lastModifiedAt": "2023-11-07T05:31:56Z",
  "lastModifiedBy": "<string>",
  "unit": {
    "id": "<string>",
    "code": "<string>",
    "name": "<string>"
  },
  "displayDecimalPlaces": 123
}