Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQF7oR0vE6CM7L//TpZMbHohP4IWaXL20AMcM/BXmOe+8nvTenW1HPtaHd/9… (1,748 chars)"
  }
}