// POST: api/SignatureGroups
 public void Post([FromBody]SignatureGroup signatureGroup)
 {
     SignatureRepository signatureRepository = new SignatureRepository();
     signatureRepository.AddSignatureGroup(signatureGroup);
 }
 // GET: api/SignatureInGroupController
 public IEnumerable<SignatureInGroup> Get()
 {
     SignatureRepository signatureRepository = new SignatureRepository();
     return signatureRepository.GetSignaturesInGroup();
 }
 // POST: api/UserToGroup
 public void Post([FromBody]UserToGroup userToGroup)
 {
     SignatureRepository signatureRepository = new SignatureRepository();
     signatureRepository.AddUserToGroup(userToGroup);
 }