{
  "foo_b0": {
    "data": [
      1,
      2
    ],
    "format": {
      "numeric_type": "bitnum",
      "is_signed": false,
      "width": 32
    }
  },
  "foo_b1": {
    "data": [
      3,
      4
    ],
    "format": {
      "numeric_type": "bitnum",
      "is_signed": false,
      "width": 32
    }
  },
  "baz_b0": {
    "data": [
      0,
      0
    ],
    "format": {
      "numeric_type": "bitnum",
      "is_signed": false,
      "width": 32
    }
  },
  "baz_b1": {
    "data": [
      0,
      0
    ],
    "format": {
      "numeric_type": "bitnum",
      "is_signed": false,
      "width": 32
    }
  }
}