Edit 
				
					{
    "method": "hub.network.modem.pin_code.set",
    "id": "_ID_",
    "params": {
        "interfaceId" : "mobile0",
        "pinCodeOld": "1234",
        "pinCodeNew" : "4321"
    }
}
Edit 
				
					{
    "error": null,
    "id": "_ID_",
    "result": {}
}