จะกําหนดหัวจดหมายและลายเซ็นเอง อย่างไร

{. root": {t"type": "ราก", "lot", "format", "indate": 0", "date": 1, "เด็ก": "helect": "text": "help", "plit", "dign": "dign", "plook", "date", "indate", "indate", "port", "put", "pack", "package", "loves", "put", "plook", "; "dignk", "put", "indent": 0", "hort", "hort", "hort", "hortcut", "helect", "look", "hort", "late", "mat", "hort", "t", "mate", "t; รายการ "help"