Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQH208qaQsKv/Ibv7E8f8L3D2Caj+wa4piJpIbqfxL/o1z0XMGymVyrtA5aT… (1,748 chars)"
  }
}