Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQC7oHTdszgfCyIMA3EpPx2eLGqVJdXZXbO6/mC6P3PkVluM9FxI6EuMyRsK… (1,748 chars)"
  }
}