Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQA4HouB28l8lkjNWL/mHfJoTlthVayMo5c7EcDpBDElAkAq9Yv2X4xQ9N5n… (1,748 chars)"
  }
}