curl  -i -X POST  -d '{  "auth_token":"46c2dee0a5e7d378-5c5c85908a22be81-b9c6d40f4ce99ce3", "url":"https://cyniu.ciasny.net/viber/viber.php",   "event_types":["delivered", "seen","failed","subscribed","unsubscribed","conversation_started" ]}'\
 'https://chatapi.viber.com/pa/set_webhook'
