Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwAg/eXltUYqsN/Udmv4fDX+aWph8iWPYGC0mFVm0EoMjXQQGCIjcPQkGNNg… (844 chars)"
  }
}