Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQE5eLjFe2exIFYmiTZPf/9qFQb9P+E0CzRYJeeTtMUFUBbFHz1D/UjPWkp4… (1,748 chars)"
  }
}