Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQDGcK6LmNo3sYnL7mPFn1/15AwFMb6lxWSurmOapS4pzjDSOygRTQXgy5uH… (1,748 chars)"
  }
}