{
 "chassis_type": 65,
 "chassis_base_mac": {
  "mac_address": "AAAAAAAA"
 },
 "chassis_serial_number": "",
 "is_active": true,
 "card_details": [],
 "cpm_slot_by_letter": "A",
 "is_singleru": true,
 "slot_num": 0,
 "cpm_card_type": 176,
 "ztp_interfaces": [],
 "chassis_name": "7220 IXR-D2",
 "card_serial_number": "",
 "mda_poll_thread": false
}