Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCfUuFGE5TxsJgTlsZUAkGLQBQ4TOJ4ZMJkgW+e0DWKS3vw/7nTeI2m3wH2… (1,748 chars)"
  }
}