Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQAP6+68zJBr4jYmF+YdRKnxSAPRBeXq+oYgziMLwQTQjirZddmnfN7+WuJu… (1,748 chars)"
  }
}