Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQByZOhcFBUJ599DDnv7OfEWl620U0KW/h3DNhwCvuV+y0CiWJhYVZfY1uJB… (1,748 chars)"
  }
}