Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBZj9SRA6VyGgRSzGzQuV/9xnCMcSOvW7UjrfkKt1mEPif4dBzGe77Wffhb… (844 chars)"
  }
}