Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAJM1Zq5Ih0H8w+PQYtVbbZaPaLi+Gu5H1ihIk4rgR55Afugk8Io4rk9pqM… (844 chars)"
  }
}