Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQA9/n66Yq8YVKa+9rR2leXAfKy6DPrv1WGC54kTpV0CuQYqCtLZqNgHlg6K… (1,748 chars)"
  }
}