Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQHsEzxvhZFm1CbuEmA3jylUXSqZd8F5O2eG6CzKa/IhxBdhn4gvcPV4xRFu… (1,748 chars)"
  }
}