Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQGC5nL7HwyTKepNj7E6y1TIZtaPaySjLcHApbHJv/5i2ks5Xcs8PAMGgflT… (1,748 chars)"
  }
}