Moselle

{
  "field": {
    "partition": "écartelé",
    "sub_fields": [
      {
        "tincture": {
          "name": "argent",
          "category": "metal"
        },
        "partition": "parti",
        "sub_tinctures": [
          {
            "name": "argent",
            "category": "metal"
          },
          {
            "name": "sable",
            "category": "colour"
          }
        ]
      }
    ]
  },
  "is_compound": true
}