Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFzaSAyKpfML+mEdIzuKt6vEuQE0Qb+M6TlX7ItwGhyIUCWdbjc4BbFsIjw… (844 chars)"
  }
}