Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGWT4YR5iRhNCb4yxpOtfMXK+jraIuabJVVh8cVlX8YDQ5WpTLZ6x8bYhEV… (844 chars)"
  }
}