Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQEcqnk2D0nuB31E6wj5vLtJOeptbgqsvNK6JA5hqEFJoh9SJCWNxg4DxaK/… (1,748 chars)"
  }
}