Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDkcB+AzgqKvXEn/3W1c0qOwSO7yZMU3kvA+x3oOGGsFXZHw7L7zlXMfmtf… (1,748 chars)"
  }
}