Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHVPzqn6g4wlVnCZgmuqc+mxVFD/kgnZd5doVdXkeIw0GCqFhIUcwFoMdca… (844 chars)"
  }
}