Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAaoC/nX451ym3TbqPiuWuXQR/9Aeg3vT3u+uEOrod9UG6Mfrjti+3pkQ3C… (1,748 chars)"
  }
}