Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQHaZDyXktFfbl/3QqcdkUBcf7HuRfFPbvt7eu1Tz7FRaQ2qo1CqjD2aDzWA… (1,748 chars)"
  }
}