Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQG82p2Rw33+8FsAezgujWW8CgEHZdCIW9wZ51/e4L6Xwj+PH7JpjolA8ifB… (1,748 chars)"
  }
}