Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAj5ZtfsZg+JbmjbnVKlgJDFV/xq0n9iLO5LeEp64wKVXiHtOuWzBYc1Y52… (1,748 chars)"
  }
}