[kash7777]

Hi, Brettzky84 here is your answer you been almost there:
http://192.168.1.3:8080/jsonrpc?request={"jsonrpc":"2.0","method":"Addons.ExecuteAddon","params":{"wait":false,"addonid":"plugin.video.surveillanceroom","params":{"action":"single_camera","camera_number":"1","id":"1"}},"id":2}