Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDvJkNUR5wq1+Z5YGe7bRDNbov+c7mxwLQFlZptpO7ftz9Y6dTpb0jdz2v2… (1,748 chars)"
  }
}