"user": {
      "user_id": "b2734281b95f1e3c58e230cd3ef308a2dd9579cd", 	// user ID 
      "email": "tester@gmail.com", 								// user e-mail address, lowercase always
      "name": "John", 											// name 
      "surname": "Doe", 										// surname 
      "phone": "+420720111111", 								// phone in international format
      "created": "2019-12-16" 									// user registration creation date
      "subscription": "lite" 									// tariff
   },