Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCV+KGlsskgOq8BroYxu3wUj6yTaoFDL4usrNGERg5F8RB7F8sdIU+PvOu9… (1,748 chars)"
  }
}