Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQDMkMQPzarXYuWfa9Z378HSQGmME7Cs/y+klJHTx5v7WlcjKE/z5QYg8Cpi… (1,748 chars)"
  }
}