Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDBk8qb4t9vwtP+d/NfgNTmk1KDXaVAJ2hiDcUc42Jy2iZtkvOn+b9C2wcJ… (1,748 chars)"
  }
}