Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQB1BGFYVmZMO0ltRB/7fmBJGh/iL7aBYKnqUtEyINmxEBqTyKq1lDy6sHF4… (1,748 chars)"
  }
}