Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQC/yko9mGC7DunHFj8RR2Pp6FziZzbLuegTTWTn0DFei2RW1bJTOUeYJ/88… (1,748 chars)"
  }
}