PUB/SUB using Channel in GO

package main

import (
    "encoding/json"
    "fmt"
    "runtime"
    "time"
)

type Profile struct {
    Name string `json:"name"`
    Age  uint   `json:"age"`
}

func Publisher(data string, channel chan interface{}) {
    channel <- string(data)
}

func Subscribe(channel chan interface{}) {
    profile := <-channel
    fmt.Println(profile)
}

func main() {
    // set core max to use for gorutine
    runtime.GOMAXPROCS(2)

    // init channel
    profileChannel := make(chan interface{})

    // set value for struct
    var profile Profile
    profile.Name = "john doe"
    profile.Age = 23

    // convert to json
    toJson, _ := json.Marshal(profile)

    // sending channel data
    go Publisher(string(toJson), profileChannel)

    // get channel data
    go Subscribe(profileChannel)

    // delay gorutine 1000 second
    time.Sleep(time.Second * 1)
}