Login to a SAML auth based website through script: Getting the error message

I'm getting the following error on sending POST request to https://login.microsoftonline.com/common/instrumentation/dssostatus .I have correctly set the header cxontent what i am getting from previous GET request.

'hpgrequestid'

'Origin'
'User-Agent'

'client-request-id'

'canary'
'Content-type'

'hpgid'

'Accept'
'hpgact'

{"error":{"code":6000,"correlationId":"24231c9a-7388-479c-9554-a57eb7740c09","timestamp":"2019-04-16 12:44:27Z","isFatal":true,"message":"AADSTS1659001"}}

Help me figure out the solution