Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQFF4MBNZtpn+Wbxpd6GDHm5OO4GL0+lCBXp3VSOgtqcq2pWZBmlA1Tk/siP… (1,748 chars)"
  }
}