Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQC+2L0ot3HeYd32/if5okS8wH1Fk7ehlqt/DwE/4+GbQnlzzPVyHF3Yy/9V… (1,748 chars)"
  }
}