Using wix-media.v2 to move a file in media manager

I am trying to use code to move an uploaded file to a specific folder, using Velo code in the Wix Editor

Using the API reference, my backend code is as follows:

//id = "c00749_41449ed91b56430cbf84014b314543fb.pdf"
//file = { parentFolderId: 'aead776f902c4850888a0e12c5b4d33b' }
export const moveProofToFolder = webMethod(
  Permissions.Anyone,
  async (id, file) => {
    try {
      const elevatedUpdateFileDescriptor = elevate(files.updateFileDescriptor);
      const updatedDescriptor = await elevatedUpdateFileDescriptor(id, file);

      console.log("Updated:", updatedDescriptor);
      return updatedDescriptor;
    } catch (error) {
      console.error(error);
      // Handle the error
    }
  },
);

I receive the following error message: INVALID_ARGUMENT: options.fieldMask must be an array

Any ideas?