JSON rel data

POST	/imports
{
		"citizens":	[
				{
						"citizen_id":	1,
						"town":	"Саратов",
						"street":	"Вавилова",
						"building":	"10",
						"apartment":	25,
						"name":	"Петров Иван Семенович",
						"birth_date":	"23.05.1965",
						"gender":	"male",
						"relatives":	[2,3]
				},
				{
						"citizen_id":	2,
						"town":	"Саратов",
						"street":	"Вавилова",
						"building":	"10",
						"apartment":	25,
						"name":	"Кукушкина Вера Леонидовна",
						"birth_date":	"13.08.1979",
						"gender":	"female",
						"relatives":	[1,3]
				},
				{
						"citizen_id":	3,
						"town":	"Энгельс",
						"street":	"Волжская",
						"building":	"10",
						"apartment":	12,
						"name":	"Петрова Ольга Ивановна",
						"birth_date":	"11.08.1996",
						"gender":	"female",
						"relatives":	[1,2]
				},
				{
                        "citizen_id":	4,
                        "town":	"Саратов",
                        "street":	"Рабочая",
                        "building":	"24",
                        "apartment":	15,
                        "name":	"Смирнов Федор Семенович",
                        "birth_date":	"18.07.1972",
                        "gender":	"male",
                        "relatives":	[5]
                },
                {
                        "citizen_id":	5,
                        "town":	"Волгоград",
                        "street":	"Мичурина",
                        "building":	"2",
                        "apartment":	7,
                        "name":	"Смирнов Семен Николаевич",
                        "birth_date":	"02.12.1948",
                        "gender":	"male",
                        "relatives":	[4]
                },
                {
                        "citizen_id":	6,
                        "town":	"Энгельс",
                        "street":	"Соколовая",
                        "building":	"33",
                        "apartment":	1,
                        "name":	"Жукова Елена Петровна",
                        "birth_date":	"30.04.1944",
                        "gender":	"female",
                        "relatives":	[]
                }
		]
}