Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQAEmU+TwV9Dpz0wfRH+Yqw4LRHb9N2XHi2E7m/7FAsHHAQ8x0bHfdnmbKj/… (1,748 chars)"
  }
}