Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHjjPcbNXgbtQoGd74mEFycC+xZy6KVVczlZGaSZoDTWQDHLJqxTg/Lv0hh… (844 chars)"
  }
}