Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQGbMBW6sUBKws5MdxnrXHo8OIZi9fEi0ynMfWFxaRd6agJYe0o+SD5QjCyZ… (1,748 chars)"
  }
}