Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDmPRtDG7D5QzfsT9ahaFIYPvAkUCKKZx6coA8j9jYUvyGlpiTiDVKak/8Z… (1,748 chars)"
  }
}