def post(self):
     self.response.headers['Content-Type'] = 'application/json'
     jsonString = self.request.body          
     data = simplejson.loads(jsonString) #Decoding JSON
     transaction = Transaction()
     transaction.processTransaction(data)
     response = {'payRentSuccessNotice':'Congratulations, you have paid the rent!'}
     json_response= simplejson.dumps(response)
     return self.response.out.write(json_response)