Untitled

DbContext.SaveChanges(); doesn't give error but does not add entity to database
public void Add(object entity)
        {
            DbContext.Entry(entity).State = System.Data.EntityState.Added;
            DbContext.SaveChanges();
        }

public void StoreElectronicSignatureType(ElectronicSignatureTypeModel model)
    {
        var RSA = new System.Security.Cryptography.RSACryptoServiceProvider();
        var parameters = RSA.ExportParameters(false);
        model.modulus = Convert.ToBase64String(parameters.Modulus);
        model.exponent = Convert.ToBase64String(parameters.Exponent);
        model.privatekey = RSA.ToXmlString(true);

        ElectronicSignatureType electronicSignatureType = new ElectronicSignatureType();
        Entity entity =  GetEntity(model.entity);
        electronicSignatureType.Entity = entity;
        electronicSignatureType.HashAlgorithm = model.hashAlgorithm;
        electronicSignatureType.Exponent = model.exponent;
        electronicSignatureType.Modulus = model.modulus;
        electronicSignatureType.Version = model.version;
        //electronicSignatureType.EntityId = entity.EntityId;
        electronicSignatureType.PrivateKey = StrToByteArray(model.privatekey);
        Add(electronicSignatureType);
    }

context.ElectronicSignatureTypes.Add(electronicSignatureType);
context.SaveChanges();