Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQB/wMhBqcTrgCOTiRyU2ZRIuIa15LHCvxv37/65d2g/2BcX79T8qCfs35f4… (1,748 chars)"
  }
}