Secure (https) REST temerature sensor

Hi,

I have have 2 hass units. On remote unit is attache temperature sensor.
I had working configuration until I used http only.
When I switched to https I got following error:

Configuration:

sensor REST_temperature:
  platform: rest
  resource: https://192.168.2.177:8123/api/states/sensor.dnevna_soba_temperatura?api_password=123
  method: POST
  value_template: '{{ value_json.state }}'
  name: "REST Temperature"
  unit_of_measurement

home-assistant.log

16-10-04 01:41:15 homeassistant.components.sensor.rest: Error fetching data: <PreparedRequest [GET]>
16-10-04 01:41:15 homeassistant.components.sensor.rest: Unable to fetch REST data
16-10-04 01:41:15 homeassistant.components.sensor.rest: Error fetching data: <PreparedRequest [GET]>

INFO:homeassistant.components.http:Serving /api/states/sensor.dnevna_soba_temperatura to 192.168.2.177 (auth: True)
TypeError("'NoneType' object is not subscriptable",)
Traceback (most recent call last):
  File "/home/pi/.homeassistant/deps/cherrypy/wsgiserver/__init__.py", line 1405, in communicate
    req.respond()
  File "/home/pi/.homeassistant/deps/cherrypy/wsgiserver/__init__.py", line 859, in respond
    self.server.gateway(self).respond()
  File "/home/pi/.homeassistant/deps/cherrypy/wsgiserver/__init__.py", line 2310, in respond
    response = self.req.server.wsgi_app(self.env, self.start_response)
  File "/usr/local/lib/python3.4/dist-packages/homeassistant/components/http.py", line 423, in __call__
    return app(environ, start_response)
  File "/home/pi/.homeassistant/deps/werkzeug/wsgi.py", line 659, in __call__
    return app(environ, start_response)
  File "/usr/local/lib/python3.4/dist-packages/homeassistant/components/http.py", line 397, in base_app
    response = self.dispatch_request(request)
  File "/usr/local/lib/python3.4/dist-packages/homeassistant/components/http.py", line 380, in dispatch_request
    return self.views[endpoint].handle_request(request, **values)
  File "/usr/local/lib/python3.4/dist-packages/homeassistant/components/http.py", line 490, in handle_request
    result = handler(request, **values)
  File "/usr/local/lib/python3.4/dist-packages/homeassistant/components/api.py", line 188, in post
    new_state = request.json['state']
TypeError: 'NoneType' object is not subscriptable
ERROR:homeassistant.helpers.template:Error parsing value: UndefinedError: 'value_json' is undefined

I missed something in configuration obviously.

Tnx for help in advance.