Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQEEsNuVmcIh9ZXIepaY+wFMpHYo23K1A+xx5NyXXElWe25EDxs6j+70B9yF… (1,748 chars)"
  }
}