{
  "hosts": [
    {
      "nqn": "hostnqn"
    }
  ], 
  "ports": [
    {
      "addr": {
        "adrfam": "", 
        "traddr": "", 
        "treq": "not specified", 
        "trsvcid": "", 
        "trtype": "loop"
      }, 
      "portid": 1, 
      "referrals": [], 
      "subsystems": [
        "testnqn"
      ]
    }
  ], 
  "subsystems": [
    {
      "allowed_hosts": [
        "hostnqn"
      ], 
      "attr": {
        "allow_any_host": "0"
      }, 
      "namespaces": [
        {
          "device": {
            "nguid": "ef90689c-6c46-d44c-89c1-4067801309a8", 
            "path": "/dev/nvme0n1"
          }, 
          "enable": 1, 
          "nsid": 1
        }
      ], 
      "nqn": "testnqn"
    }
  ]
}