Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwAZ8mD4pWZKBf6FyWbSR05m7C1mBprWw+Y6PPPPrh7js1yF1XM9t7W2euFw… (844 chars)"
  }
}