{
  "scales": [
    {
      "prefix": null,
      "system_dimensions": null,
      "unit": "UN1148",
      "root_scale": null,
      "system": null,
      "in_point_reference": null,
      "bi_point_l_reference": null,
      "bi_point_u_reference": null,
      "aspects": [
        "AS173"
      ],
      "scale_aspect_associations": [
        {
          "scale_id": "SC1107",
          "aspect_id": "AS173"
        }
      ],
      "source_conversion_casts": [
        385,
        386
      ],
      "destination_conversion_casts": [
        571,
        5757
      ],
      "id": "SC1107",
      "ml_name": null,
      "name": null,
      "symbol": null,
      "scale_type": "ratio",
      "is_systematic": null,
      "is_special": null,
      "scale_factor": null,
      "is_augmented": null,
      "ref_point": null,
      "ref_point_l": null,
      "ref_point_h": null
    },
    {
      "prefix": null,
      "system_dimensions": {
        "id": "DI28",
        "exponents": "[1,0,-2,0,0,0,0]",
        "formal_system": {
          "id": "SY1"
        }
      },
      "unit": "UN1235",
      "root_scale": null,
      "system": null,
      "in_point_reference": null,
      "bi_point_l_reference": null,
      "bi_point_u_reference": null,
      "aspects": [
        "AS173"
      ],
      "scale_aspect_associations": [
        {
          "scale_id": "SC1193",
          "aspect_id": "AS173"
        }
      ],
      "source_conversion_casts": [
        571
      ],
      "destination_conversion_casts": [
        385
      ],
      "id": "SC1193",
      "ml_name": null,
      "name": null,
      "symbol": null,
      "scale_type": "ratio",
      "is_systematic": false,
      "is_special": null,
      "scale_factor": null,
      "is_augmented": null,
      "ref_point": null,
      "ref_point_l": null,
      "ref_point_h": null
    },
    {
      "prefix": null,
      "system_dimensions": {
        "id": "DI28",
        "exponents": "[1,0,-2,0,0,0,0]",
        "formal_system": {
          "id": "SY1"
        }
      },
      "unit": "UN63",
      "root_scale": null,
      "system": null,
      "in_point_reference": null,
      "bi_point_l_reference": null,
      "bi_point_u_reference": null,
      "aspects": [
        "AS173",
        "AS39"
      ],
      "scale_aspect_associations": [
        {
          "scale_id": "SC802",
          "aspect_id": "AS173"
        },
        {
          "scale_id": "SC802",
          "aspect_id": "AS39"
        }
      ],
      "source_conversion_casts": [
        5754,
        5755,
        5756,
        5757,
        5758,
        5759,
        5760,
        5761,
        5762,
        5763,
        5764
      ],
      "destination_conversion_casts": [
        86,
        176,
        208,
        386,
        919,
        943,
        1127,
        5699,
        5700,
        5744,
        5817
      ],
      "id": "SC802",
      "ml_name": null,
      "name": null,
      "symbol": null,
      "scale_type": "ratio",
      "is_systematic": true,
      "is_special": null,
      "scale_factor": null,
      "is_augmented": null,
      "ref_point": null,
      "ref_point_l": null,
      "ref_point_h": null
    }
  ],
  "scale_aspect_associations": [
    {
      "scale_id": "SC1107",
      "aspect_id": "AS173"
    },
    {
      "scale_id": "SC1193",
      "aspect_id": "AS173"
    },
    {
      "scale_id": "SC802",
      "aspect_id": "AS173"
    }
  ],
  "source_conversion_casts": [
    385,
    386,
    571,
    5757
  ],
  "destination_conversion_casts": [
    385,
    386,
    571,
    5757
  ],
  "id": "AS173",
  "ml_name": null,
  "name": "thrust-to-mass-ratio",
  "symbol": null,
  "sources": null
}