Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCDfGByY60zt4QLXv2VAaSLXpjcOsFnBdCE9X/TD0HXkxOytjQiWLdthtZj… (1,748 chars)"
  }
}