Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCHYvm4WKq+bvkf3K8uX9+gvFpd+2u0UYCRYFYw/maM+iocLYOoa9J2Sh5K… (844 chars)"
  }
}