Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQH/neTBLjp3NRqVLBaWWsKFAPC0DouKirITDRGcQRJkHDUDdXf6Jf4JeOP9… (1,748 chars)"
  }
}