Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCJH0B0h5PJ8gIFKjpOHTgs6QGxQiMuqGbyEafhXZsGKUtyCVIS6X8Uuisj… (1,748 chars)"
  }
}