Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQB4bAfwqbTSz7EVYrYzqPLR0Cs03NhMu4Aj1eMrhSFKsQM7dJ4zNe/5ga7w… (1,748 chars)"
  }
}