{ "transport": "tcp", "ip": "127.0.0.1", "control_port": 50160, "shell_port": 57503, "stdin_port": 52597, "iopub_port": 40885, "hb_port": 42540, "signature_scheme": "hmac-sha256", "key": "a0436f6c-1916-498b-8eb9-e81ab9368e84" }