XYZT Grid

{
  "type" : "Coverage",
  "domain" : {
    "type" : "Domain",
    "domainType" : "Grid",
    "axes": {
      "x": { "values": [1,2,3] },
      "y": { "values": [20,21] },
      "z": { "values": [1] },
      "t": { "values": ["2008-01-01T04:00:00Z"] }
    },
    "referencing": [...]
  },
  "parameters" : {
    "temperature": {...}
  },
  "ranges" : {
    "temperature" : {
      "type" : "NdArray",
      "dataType": "float",
      "axisNames": ["t", "z", "y", "x"],
      "shape": [1, 1, 2, 3],
      "values" : [...]
    }
  }
}