content: {
    "$defs": {
      "Digest": {
        "description": "Digest defines a structure to hold a digest value including the algorithm used to generate it.",
        "properties": {
          "alg": {
            "description": "Algorithm stores the algorithm key that was used to generate the value.",
            "title": "Algorithm",
            "type": "string"
          },
          "val": {
            "description": "Value contains the Hexadecimal representation of the resulting hash\ngenerated by the algorithm.",
            "title": "Value",
            "type": "string"
          }
        },
        "required": [
          "alg",
          "val"
        ],
        "type": "object"
      }
    },
    "$id": "https://gobl.org/draft-0/dsig/digest",
    "$ref": "#/$defs/Digest",
    "$schema": "https://json-schema.org/draft/2020-12/schema"
  }