package main

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

func main() {
	var o = struct {
		Created time.Time `json:"t"`
	}{}
	_ = json.Unmarshal([]byte(`{"t": "2020-11-23T14:42:00Z"}`), &o)
	fmt.Printf("%v\n", o.Created)
}