Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCdcJB9gcTqhRHTt6LzDFbPvyXMU/ZjSuQOJaRbT9rRzXvbmY8fmIbD+of8… (1,748 chars)"
  }
}