POST api/App_Cart/cart_billing

{
  "hospital_id": "sample string 1",
  "patient_id": "sample string 2",
  "visit_type": 3,
  "total_amount": 4,
  "branch_id": 5,
  "master_service_id": 6,
  "service_quantity": 7,
  "package_id": 8,
  "billing_type": 9,
  "service_quantity_amount": "sample string 10",
  "total_net_amount": 11,
  "indicator_id": "sample string 12",
  "cart_no": 13,
  "cart": [
    {
      "$id": "2",
      "hospital_id": "sample string 1",
      "patient_id": "sample string 2",
      "visit_type": 3,
      "total_amount": "sample string 4",
      "received_amount": 5,
      "branch_id": 6,
      "master_service_id": 7,
      "service_quantity": 8,
      "package_id": 9,
      "billing_type": 10,
      "service_quantity_amount": "sample string 11",
      "total_net_amount": 12,
      "indicator_id": "sample string 13",
      "service_amount": "sample string 14",
      "service_final_amount": "sample string 15",
      "total_cart_amount": "sample string 16",
      "distance_fee_amount": "sample string 17",
      "cart_no": 18,
      "billing_no": 19,
      "receipt_id": 20,
      "payment_type": 21,
      "reference_no": 22,
      "created_by": 23,
      "tds": 24,
      "others": 25,
      "Dml_Indicator": "sample string 26",
      "billing_code": "sample string 27",
      "visit_report_id": "sample string 28",
      "receipt_type": 29,
      "mou": 30,
      "address_id": 31,
      "discount": "sample string 32",
      "discount_amount": "sample string 33",
      "discount_type": "sample string 34",
      "service_net_amount": "sample string 35",
      "total_discount_amount": "sample string 36",
      "total_distance_fee_amount": "sample string 37",
      "total_final_amount": "sample string 38",
      "total_final_net_amount": "sample string 39"
    },
    {
      "$ref": "2"
    },
    {
      "$ref": "2"
    }
  ],
  "address_id": 14
}