Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwH7nkLGJ/GKJXYnCOPRNqr2KaxCp62gO7qw9zCLMXRnm06cWhmNmuHNvxHs… (844 chars)"
  }
}