Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwE2lDNkrz4NU9JFcKMJ8sv/ZA7E0ftdlNpWmG17cqjuNUw+CX9inRQyZmkm… (844 chars)"
  }
}