Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCHFdK2Y1S+8lEEsCrzE252J8bsRLjHpgNRpTLc8wMG4mzndMnfq8vv5lQ3… (1,748 chars)"
  }
}