Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQD/IkU5yknY9lN7p5UybqktNa2Q6eMPJWJP7GHDlWLaD05VBc0fGuA/e7LS… (1,748 chars)"
  }
}