{ "appointment_contributor_roles": { "organizer": "\u041e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0442\u043e\u0440", "presenter": "\u041f\u0440\u0435\u0437\u0435\u043d\u0442\u0430\u0442\u043e\u0440" } }