Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEF2GTbpJpC13Mh90/TNtTLvWi5h9oyUcpCMiH9PwjcXFjNlD8m+78X/Llw… (844 chars)"
  }
}