def follow(type, ids)
      params = { type: type, ids: Array.wrap(ids).join(',') }
      run(:put, "/v1/me/following", [204], params)
    end
def follow(type, ids)
      params = { type: type, ids: Array.wrap(ids).join(',') }
      run(:put, "/v1/me/following", [204], params)
    end
Follow artists or users

 client.follow('artist', ['0BvkDsjIUla7X0k6CSWh1I'])