Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQB4UfCABNXBjAz08MWzHoM51j/YCrV+BGQGuEbU1DaxAhZbHCxaG/6qKIbw… (1,748 chars)"
  }
}