Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQE6Eqref8fRkXxwZvpij3z/6BZRjZfVQuNv3Sv7cTMA+DLqKLRY6L/0tJqB… (1,748 chars)"
  }
}