client.hub_items.manage_hub_items_v2025_r0(
    created_hub.id,
    operations=[
        HubItemOperationV2025R0(
            action=HubItemOperationV2025R0ActionField.ADD,
            item=FolderReferenceV2025R0(id=folder.id),
        )
    ],
)

{
  "operations": [
    {
      "action": "add",
      "item": {
        "type": "file",
        "id": "42037322"
      },
      "status": 200,
      "error": "Item not found"
    }
  ]
}