Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQEXRf5+oXLvo7FjtlUTS0djhXS6zzF/NexKyBbohIK1L1TFedEYD/P/1J43… (1,748 chars)"
  }
}