def sendMessage(spaceId, messageTitle, messageText):

    urlToPostMessageBack = "/teams/" + spaceId + "/messages"

    jsonRaw ={
        "type": "appMessage",
        "version": 1,
        "annotations": [
            {
                "type": "generic",
                "version": 1,
                "text": "<enter your text here>"
            }
        ]
    }

    headers = {'Authorization': "Bearer " + getToken(), "Content-Type" : "application/json"}
    resp = requests.post("https://api.watsonwork.ibm.com" + urlToPostMessageBack, data={"body": json.dumps(jsonRaw, ensure_ascii=False)}, headers = headers)
    print resp