Understand 'certIssuer' field

[tristanlatr]

'DigiCert' fingerprint: {   'cats': [70],
    'certIssuer': 'DigiCert',
    'icon': 'DigiCert.svg',
    'website': 'https://www.digicert.com/'}

JSON schema:

"certIssuer": {
        "oneOf": [
          {
            "type": "array",
            "items": {
              "$ref": "#/definitions/non-empty-non-blank-string"
            }
          },
          {
            "$ref": "#/definitions/non-empty-non-blank-string"
          }
        ]
      },