Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCgEHQEY3pO91BhXmh18xf/TiVhCD1ZkmBLktwD+f6M0U77S8gvAyUI3Vbu… (1,748 chars)"
  }
}