/api/TemplateService/Actions/TemplateService.Deploy on ome not working

Hi,
im trying to deploy a template on a server R740.

im using this post api:

/api/TemplateService/Actions/TemplateService.Deploy from the documentation 

this is the headers:

Content-Type:application/json
X-Auth-Token:<my token>

this is the body:
{
    "Id": 33,
    "TargetIds": 30743
}

 and i get this response: 501
{
    "error": {
        "code": "Base.1.0.GeneralError",
        "message": "A general error has occurred. See ExtendedInfo for more information.",
        "@Message.ExtendedInfo": [
            {
                "MessageId": "CGEN1006",
                "RelatedProperties": [],
                "Message": "Unable to complete the request because the resource URI does not exist or is not implemented.",
                "MessageArgs": [],
                "Severity": "Critical",
                "Resolution": "Enter a valid URI and retry the operation."
            }
        ]
    }
}