Update a saved response

{
	"savedResponse": {
		"title": "Response title",
		"subject": "Response subject",
		"body": "Response body"
	}
}

{
    "savedResponse": {
        "title": "New Response Title",
        "subject": "New Response Subject",
        "body": "New Response Body",
        "ldate": null,
        "last_sent_user_id": null,
        "cdate": "2018-11-16T02:50:54-06:00",
        "mdate": "2018-11-16T11:19:30-06:00",
        "links": {
            "user": "https://:account.api-us1.com/api/:version/savedResponses/1/user",
            "savedResponseCategorySavedResponse": "https://:account.api-us1.com/api/:version/savedResponses/1/savedResponseCategorySavedResponse"
        },
        "id": "1"
    }
}