[
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    {
      "namespace": "signal",
      "name": "brush_x",
      "scope": [0],
      "value": [20.5, 95.3]
    }
  ],
  [
    {
      "namespace": "signal",
      "name": "brush_x",
      "scope": [1],
      "value": [50.1, 150.73]
    }
  ],
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    {
      "namespace": "signal",
      "name": "brush_x",
      "scope": [2],
      "value": [0, 125.8]
    }
  ],
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    {
      "namespace": "signal",
      "name": "brush_x",
      "scope": [2],
      "value": [95.2, 127.11]
    }
  ],
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    {
      "namespace": "signal",
      "name": "brush_x",
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      "value": [75.8, 200]
    }
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]