Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDlG6DzepLM6HqXS8/tp6wVeKu84LOpSzMzQwFS0ct+kzuA2n48t1TuWC6I… (1,748 chars)"
  }
}