tscube.json

{ "dimensions": {
    "Subject": ["S1","S2","S3","S4","S5","S6","S7","S8"],
    "Channel": ["X", "Y", "Z"],
    "Time": [0,1,2,3,4,5,6,7,8,9]
  },
  "data": [
  [
    [34, 23, 30, 32, 18, 40, 29, 39],
    [23, 29, 29, 29, 35, 33, 15, 24],
    [41, 43, 43, 32, 31, 25, 26, 41]
  ],
  [
    [29, 19, 29, 33, 23, 44, 33, 43],
    [21, 29, 26, 30, 32, 30, 15, 26],
    [41, 44, 45, 36, 32, 25, 26, 38]
  ],
  [
    [31, 20, 28, 35, 26, 42, 35, 48],
    [21, 29, 23, 33, 30, 34, 18, 21],
    [40, 39, 42, 36, 30, 21, 23, 39]
  ],
  [
    [35, 23, 26, 38, 29, 41, 35, 49],
    [25, 30, 28, 33, 27, 31, 22, 26],
    [44, 36, 45, 32, 25, 26, 26, 35]
  ],
  [
    [31, 20, 22, 36, 32, 36, 30, 50],
    [30, 29, 29, 28, 30, 26, 22, 29],
    [41, 37, 40, 28, 24, 28, 26, 39]
  ],
  [
    [26, 21, 17, 33, 30, 35, 35, 52],
    [32, 25, 34, 32, 35, 21, 24, 33],
    [42, 41, 43, 31, 23, 32, 26, 39]
  ],
  [
    [27, 19, 20, 28, 25, 35, 38, 48],
    [31, 23, 32, 33, 34, 18, 28, 32],
    [37, 41, 43, 26, 20, 27, 31, 40]
  ],
  [
    [31, 18, 19, 31, 30, 31, 43, 52],
    [30, 19, 27, 36, 38, 19, 31, 32],
    [37, 44, 41, 23, 16, 22, 28, 41]
  ],
  [
    [35, 18, 14, 35, 25, 35, 43, 48],
    [31, 16, 32, 39, 38, 23, 33, 36],
    [35, 40, 45, 27, 16, 26, 30, 39]
  ],
  [
    [37, 20, 9, 37, 29, 34, 41, 50],
    [26, 14, 33, 37, 35, 22, 30, 39],
    [38, 38, 48, 29, 14, 31, 25, 36]
  ]
]
}

The loose idea here is that we're representing a time series of 10 values, across 3 channels (X,Y,Z) for 8 subjects (S1-8).