Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDqRTMXSJlUZgyud1iojdk4O0xXalGsNn2HNK1k+yB9cx8DY9qnphEnnAw/… (1,748 chars)"
  }
}