Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAr58IBzNk+yizH73VF8Vqmmyrl7+Zv3itNJmbT/oY3ZCYg28FMsEhcJcyx… (1,748 chars)"
  }
}