Go에서 JSON HTTP 응답의 \'ip\' 필드를 어떻게 구문 분석하나요?

{
  "type":"example",
  "data":{
    "name":"abc",
    "labels":{
      "key":"value"
    }
  },
  "subsets":[
    {
      "addresses":[
        {
          "ip":"192.168.103.178"
        }
      ],
      "ports":[
        {
          "port":80
        }
      ]
    }
  ]
}

type Example struct {
    Type    string   `json:"type,omitempty"`
    Subsets []Subset `json:"subsets,omitempty"`
}

type Subset struct {
    Addresses []Address `json:"addresses,omitempty"`
}

type Address struct {
    IP string `json:"IP,omitempty"`
}

func main() {

    jsonResponse := `{
        "type": "example",
        "data": {
            "name": "abc",
            "labels": {
                "key": "value"
            }
        },
        "subsets": [
            {
                "addresses": [
                    {
                        "ip": "192.168.103.178"
                    }
                ],
                "ports": [
                    {
                        "port": 80
                    }
                ]
            }
        ]
    }`

    r := bytes.NewReader([]byte(jsonResponse))
    decoder := json.NewDecoder(r)

    val := &Example{}
    err := decoder.Decode(val)

    if err != nil {
        log.Fatal(err)
    }

    for _, s := range val.Subsets {
        for _, a := range s.Addresses {
            fmt.Println(a.IP)
        }
    }
}