Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCrgBafGbAP/AjWfk2iWVZPYwS7R6Fscm2kN3vmqEkOtHVZ/wh1BsN7ZLOP… (1,748 chars)"
  }
}