{
  "stdin_port":   48711,
  "control_port": 48712,
  "hb_port":      48715,
  "shell_port":   48713,
  "iopub_port":   48714,
  "ip": "9.30.137.220",
  "transport": "tcp",
  "signature_scheme": "hmac-sha256",
  "key": "",
  "py4j_java":     25337,
  "py4j_python":   25338
}