Enable Notification using ZOHO CRM Notification Api , is there any wrong thing i did?please Replay ASAP

Enable Notification using ZOHO CRM Notification Api , is there any wrong thing i did?please Replay ASAP

Url

https://www.zohoapis.com/crm/v2/actions/watch

Header

scope:ZohoCRM.notifications.ALL
Authorization: Zoho-oauthtoken 1000.f5971d88a8a89d5ee73242850ebf5ac7.f601a579fdb39f9294363a9388543444
Content-Type:application/json

sample Input
{
    "watch": [
        {
            "channel_id": "1003330068002",
            "events": [
                "Leads.all",
                "Deals.all"
            ],
            "channel_expiry": "2019-06-06T16:30:00+05:30",
            "token": "T1000000068002",
            "notify_url": "http://localhost:4545/CRM/Notifications/NotificationsCallback"
        }
    ]
}

Responce: 

{
    "code": "INVALID_REQUEST",
    "details": {},
    "message": "unable to process your request. please verify whether you have entered proper method name, parameter and parameter values.",
    "status": "error"
}​