Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQGHgmp58Yk82tV9CMdZUtfwNIJgfNHK5TjSbp+4lxa6dTvNMfGAL4syUwk8… (1,748 chars)"
  }
}