Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDoTvgSXJ9p+hCWaeosY/5N8QXBl1YPGYHcohvn6yJneG48xqgYSrC2Hzkz… (1,748 chars)"
  }
}