Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCNtO7/2cWg0cGcgpyQpHpJebb57rr+yE7g2W4Uw78NJg6TS97H/Oj4yzk5… (1,748 chars)"
  }
}