Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCDDN/rB6/1HRfvMqYdqR/Ec+YJrp4qx76xe03Hl80b8hZ2PCEz5Wxb/yjP… (1,748 chars)"
  }
}