Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQFSiJDqRbGuqpdNAtDlV+FvN6mRS6OCw4Zv7dNRHoKha11eYk5l+lP4cyVp… (1,748 chars)"
  }
}