Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAmS9EdZnLE+FxaaQchbdVcwBvWH8Hd+6ChZjJ7etBBxAUegGcTpVY+KogJ… (1,748 chars)"
  }
}