Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEXfGLnY/JD6qDthOY0gAd3wAQAQpCoHqXMWLNevfO54jbP2l4/ir2JhqJw… (844 chars)"
  }
}