Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDih56rmk9M2G2suGIfwqL1bwztkjH8P/yoOcdEjEQE9Afb0XPn/UCFJeaE… (1,748 chars)"
  }
}