Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwB8I6R1znSv81/4m1JyP5fu+/6Xx7dCHhU4h3swmRH5YHB5ocNsqO/w2+W6… (844 chars)"
  }
}