Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDh2XhTQKbrIT1/XuVzDBq1QXFRXvHopdzaP0DcTgb4kT8Ebl2kI+g5tLy/… (1,748 chars)"
  }
}