Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCJwlrE7/DnUQClMjOXv30OLFmdrZhZBt/g7+c+Tqch7j0Oex4ZAON8TkCQ… (1,748 chars)"
  }
}