{
  "prefix": {
    "id": "PR15",
    "name": "milli",
    "ml_name": "pr_si_milli",
    "symbol": "m",
    "numerator": 1.0,
    "denominator": 1000.0,
    "reference": "https://si-digital-framework.org/SI/prefixes/milli"
  },
  "system_dimensions": {
    "id": "DI1",
    "exponents": "[0,1,0,0,0,0,0]",
    "formal_system": {
      "id": "SY1"
    }
  },
  "root_scale": "SC86",
  "unit": "UN259",
  "aspects": [
    "AS2"
  ],
  "conversions": [
    {
      "src_scale_id": "SC89",
      "dst_scale_id": "SC834",
      "aspect_id": "AS2"
    }
  ],
  "casts": [],
  "id": "SC89",
  "ml_name": "ra_si_mg",
  "scale_type": "ratio",
  "is_systematic": null,
  "is_special": null,
  "ref_point": null,
  "ref_point_l": null,
  "ref_point_h": null
}