Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFnY/Wynn1bKQCSPNpjtxfIaeYpXZwK2Ezi5sYfaomTuUZFxQKy2Ou3H1XG… (844 chars)"
  }
}