Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAu8YLmNQ/quTzsaaeMr9x5IH4KDKvi0eUcq3GeD/fzt2k7o/bvPwlFaTk/… (1,748 chars)"
  }
}