Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwKzxRD6l1QWHiswF/NMhOhoKHcYLOE4Y0AmbfA/9D5+CiP4l6Sn2Q7Z5K//… (844 chars)"
  }
}