Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQF9fNY6VO8Y8mH7Bzk4CDjbajdhf6H9f0QNIzdD8BcowRyE3rDzReW3M9GA… (1,748 chars)"
  }
}