Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQH9h1Nuz2hI+QrVyCaKleIZ3v2KmfQU3zJn3L0A85zn4QEcT60ZygsY7y7H… (1,748 chars)"
  }
}