Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQB7mrxdCZqNWr7psLXCDWYqI1/xZqKJmofpHYgrB+wE1AFBzZdYI2lNf1bz… (1,748 chars)"
  }
}