Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBLyi48kg/Mvof9d0DgvtbGdm0OXwEbh8Wm1Jb+zdt0ViSd7bZ2QA4/5ax9… (1,748 chars)"
  }
}