Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFdG6I6avN5tQjZfQ5x4oYsxdg6wIGKvhNIMmS5/jcMWQQ8XejTpgP4jPw+… (844 chars)"
  }
}