Here is it an example of usage:

Edit 
				
					{
    "method": "hub.time.location.list",
    "id": "_ID_",
    "params": {}
}
Edit 
				
					{
    "error": null,
    "id": "_ID_",
    "result": {
        "locations": [
            "Europe/Kiev",
            "Europe/Riga",
            ....
        ]
    }
}