Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQB4CxbEFBza0AxCEHo51/urhigLc3aQKEDo1fZh9ZrNdw1Ci6hdXzeQ6qiK… (1,748 chars)"
  }
}