Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDTKTX78fIEBJGeFGWQ60EQfeMZ2TE03yq9KbHX/csB4Xqzqh+gjTMZASdy… (1,748 chars)"
  }
}