Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQFDEj/f8yERBol8zv/kP0NrunZ31jVG4aU/tI4H3YBzBUO5w6/tGycTuLpZ… (1,748 chars)"
  }
}