Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQB7qIZKMdkBHffixIjb1h/Gv+2PpUGWRL8FbwPry8x2C0Pm3OECqM/2tL96… (1,748 chars)"
  }
}