Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDJbakkmWICM+6GAKvx/C5zz+PgDmx6lvM6lii9QZm4ZFEVlHNQwxH5OuyV… (1,748 chars)"
  }
}