Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQD5eG/+gtmjP3eKLH/mdFrZAP45nzfkke6CUJ+Pp1v2jCh7JCxvftyRSxVy… (1,748 chars)"
  }
}