code: def add_job_inputs(self, job_id, keys):
          
          log.debug("AddJobInputs %r", job_id)
          path = "/%s/jobs/%s/live/in" % (self.account, job_id)
          body = '\r\n'.join(keys) + '\r\n'
          headers = {
              "Content-Type": "text/plain",
              "Content-Length": str(len(body))
          }
          res, content = self._request(path, "POST", body=body, headers=headers)
          if res["status"] != '204':
              raise errors.MantaAPIError(res, content)
docs: AddJobInputs
          https://apidocs.joyent.com/manta/api.html#AddJobInputs