Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQGz6/Ga5sIVx69RsSmmQQDQ+xk1WthI1tOcDdf+2EU6vEefxD3ZQC41DxbU… (1,748 chars)"
  }
}