Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCaHqrrp9AcQSwn2vO/5oKYsBZlq6irwFJrxjG+zGYCNlC48fFJbM8MfCYM… (1,748 chars)"
  }
}