Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBiR3HN/oYSoEWTPzqlz9D3nK3rMWN5YMlxhW8XfEtJcU3IObmn2OJ5qSz/… (1,748 chars)"
  }
}