Declare @Object as Int;
Declare @ResponseText as Varchar(8000);
Declare @Body as varchar(8000) = 
'{
    "Subsystem": 1,
    "Exception": "",
    "Message": "I have done what you asked",
    "Time": "2014-06-09T11:16:35",
    "Attribute": { "Number of attempts": "0" }
}'  

Exec sp_OACreate 'MSXML2.ServerXMLHTTP', @Object OUT;
EXEC  sp_OAMethod @Object, 'open', NULL, 'post','https://thecorrecturl:446/api/handelse/', 'false'

Exec sp_OAMethod @Object, 'setRequestHeader', null, 'Content-Type', 'application/json'
Exec sp_OAMethod @Object, 'send', null, @body

Exec sp_OAMethod @Object, 'responseText', @ResponseText OUTPUT
Select @ResponseText

Exec sp_OADestroy @Object