Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQEu/SzwLG1A7oH9fSv1Jefzuy/dGdAtQv1kXNdLsEBtICaEp1Bty9VnL3Yx… (1,748 chars)"
  }
}