Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCYKBqLWJsKQdaROxi/tffgyh7Fo3r1C7SNgwQnhb7QCyYnaRjeHWKtznvf… (1,748 chars)"
  }
}