electrode_idx: - 0 - 1 - 2 - 3 electrode_identities: - 0 - 1 - 2 - 3 electrode_group_id: 0 stop_time: value: 1211.282 unit: "s" start_time: value: 0.0 unit: "s" sample_rate: value: 30000.0 unit: "Hz"