content: {
    "$defs": {
      "Object": {
        "description": "Data object whose type is determined from the <code>$schema</code> property.",
        "title": "Object",
        "type": "object"
      }
    },
    "$id": "https://gobl.org/draft-0/schema/object",
    "$ref": "#/$defs/Object",
    "$schema": "https://json-schema.org/draft/2020-12/schema"
  }