Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQGpLyg8Mqp/2tiGmW9Odj/zJ6CAHbrBOZhPN3WdNiz8AG+ltF8FxLRNCZxR… (1,748 chars)"
  }
}