Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwISBx1fP+2lz5ANqnGO9+m9Rz5Y5UyXtep+E4nmTCXnfQ9xU3L4qLDlI9HU… (844 chars)"
  }
}