code: function(address, token, user, cb){
        this.findAndTrackJWT(token, address, function(err){
          if(err){
            waterlock.logger.debug(err);
            return cb(err);
          }
          cb(null, user);
        });
      }
docs: Tracks the tokens usage and invokes the user defined callback
  
  @param  {Object}   address the transport address
  @param  {String}   token   the raw token
  @param  {Waterline DAO}   user    the waterline user object
  @param  {Function} cb      Callback to be invoked when an error has occured
  or the token has been tracked successfully