{
       "left cuff":
              {
                     "type": "cuff",
                     "role": "stimulation",
                     "length": 4.25e3,
                     "thickness": 240.0,
                     "insulator resistivity": 1e9,
                     "number of rings": 1,
                     "pads per ring": 4,
                     "angular positions": [0, 1.57079633, 3.14159265, 4.71238898],
                     "inter-ring distance": 0.75e3,
                     "ring-cuffend distance": 1.0e3,
                     "z-position": 5e3,
                     "stimulation protocol":
                            {
                                   "0, 0":
                                          {
                                                 "type": "square pulses",
                                                 "currents": [-3.0],
                                                 "pulse onset times": [0.01],
                                                 "pulse durations": [0.2]
                                          }
                            }
              }
}