main.go

package main

import (
	"encoding/json"
	"fmt"
	"os"
)

type LINEContent struct {
	ToType          int               `json:"toType"`
	CreatedTime     int               `json:"createdTime"`
	From            string            `json:"from"`
	Id              string            `json:"id"`
	To              []string          `json:"to"`
	ContentMetadata map[string]string `json:"contentMetadata"`
	Location        string            `json:"Location"`
	Text            string            `json:"text"`
	ContentType     int               `json:"contentType"`
	Seq             string            `json:"seq"`
}

type LINEResultItem struct {
	Id          string      `json:"id"`
	CreatedTime int         `json:"createdTime"`
	EventType   string      `json:"eventType"`
	From        string      `json:"from"`
	FromChannel int         `json:"fromChannel"`
	ToChannel   int         `json:"toChannel"`
	To          []string    `json:"to"`
	Content     LINEContent `json:"content"`
}

type LINEPack struct {
	Result []LINEResultItem `json:"result"`
}

func main() {
	var x LINEPack
	var i int
	i = 1462499114
	fmt.Printf("%d\n", i)
	decoder := json.NewDecoder(os.Stdin)
	decoder.Decode(&x)
	fmt.Printf("%+v\n", x)
}