Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCa451WUt8qK23xEQG2+DI/2DmFWKXtU2Z9weeZ3EEDTCubg3dOsu+JRw7m… (1,748 chars)"
  }
}