{
  "id": "itm_01...",
  "account_id": "acc_01j5k...",
  "name": "Tomate Bola",
  "status": "ACTIVE",
  "base_unit_id": "unit_kg_01...",
  "unit_group_id": "ug_peso_01...",
  "external_item_id": "tomate-bola",
  "metadata": {}
}

{
  "error": {
    "kind": "unit_not_found",
    "message": "Unit not found"
  }
}