json_object *j_event_info = json_object_new_object();
json_object_object_add(j_event_info, "node", json_object_new_int(nodeAddress));
json_object_object_add(j_event_info, "available", json_object_new_boolean(available));
json_object *j_event_info = json_object_new_object();
json_object_object_add(j_event_info, "node", json_object_new_int(nodeAddress));
json_object_object_add(j_event_info, "available", json_object_new_boolean(available));