The following schema describes the JSON data structure for a TSO message:

{
  "TSO MESSAGE":{
    "description":"TSO message for the client",
    "type":"object",
    "properties":{
      "VER":{
        "description":"TSO message JSON version identifier",
        "type":"string",
        "maxLength":4,
        "required":true
      },
      "DATA":{
        "description":"message text",
        "type":"string",
        "maxLength":32767,
        "required":true
      }
    }
  }
}