Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHHAqFxv2XNRbLqN6UpJdT/eMSJ/j1binPXxydXzHqTnF/DgN3U4PBo6Io6… (844 chars)"
  }
}