Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQB5yEKRv4E88x83WvnH83+6BVdfawWDKQpg6UH4GMeZGgwDsi5e4n4JCCHT… (1,748 chars)"
  }
}