Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBvYhLTTSWdPStHzMcT6uwpZK0plY3dhugwXNqZXi/JdjpIpYmB74yi1KhC… (1,748 chars)"
  }
}