Customers that have not given marketing consent cannot receive marketing messages.
{"title": "Accepted","status": 202,"timestamp": "2019-07-30T23:55:00.519Z"}
{"title": "Bad Request","status": 400,"timestamp": "2019-07-30T23:53:48.615Z","detail": {"message": "Unable to parse request body."}}
Example Payload[{"email": "sample@test.com","opted_in": false}]