TLS certificate template

Example:

{
  "issue_types": [
    "server_authentication",
    "client_authentication"
  ],
  "cert_type": "end_entity",
  "signature_algorithm": {
    "allowed_algorithms": [
      "sha256WithRSA",
      "sha384WithRSA",
      "sha512WithRSA",
      "sha256WithECDSA",
      "sha384WithECDSA",
      "sha512WithECDSA",
      "match_issuer"
    ],
    "default_algorithm": "match_issuer"
  },
  "subject": {
    "attributes": [
      {
        "type": "common_name",
        "include": "optional",
        "encoding": "auto",
        "allowed_source": [
          "csr",
          "fixed_value",
          "user_supplied"
        ]
      },
      {
        "type": "organization_name",
        "include": "optional",
        "encoding": "auto",
        "allowed_source": [
          "csr",
          "fixed_value",
          "user_supplied"
        ]
      },
      {
        "type": "organization_unit",
        "include": "optional",
        "encoding": "auto",
        "allowed_source": [
          "csr",
          "fixed_value",
          "user_supplied"
        ]
      },
      {
        "type": "street_address",
        "include": "optional",
        "encoding": "auto",
        "allowed_source": [
          "csr",
          "fixed_value",
          "user_supplied"
        ]
      },
      {
        "type": "postal_code",
        "include": "optional",
        "encoding": "auto",
        "allowed_source": [
          "csr",
          "fixed_value",
          "user_supplied"
        ]
      },
      {
        "type": "locality",
        "include": "optional",
        "encoding": "auto",
        "allowed_source": [
          "csr",
          "fixed_value",
          "user_supplied"
        ]
      },
      {
        "type": "state",
        "include": "optional",
        "encoding": "auto",
        "allowed_source": [
          "csr",
          "fixed_value",
          "user_supplied"
        ]
      },
      {
        "type": "country",
        "include": "optional",
        "encoding": "auto",
        "allowed_source": [
          "csr",
          "fixed_value",
          "user_supplied"
        ]
      },
      {
        "type": "email",
        "include": "optional",
        "encoding": "auto",
        "allowed_source": [
          "csr",
          "fixed_value",
          "user_supplied"
        ]
      }
    ]
  },
  "extensions": {
    "key_usage": {
      "critical": true,
      "allow_critical_override": true,
      "required_usages": {
        "rsa": [
          "digital_signature",
          "key_encipherment"
        ],
        "ecdsa": [
          "digital_signature",
          "key_agreement"
        ]
      },
      "optional_usages": {
        "rsa": [
          "digital_signature",
          "key_encipherment"
        ],
        "ecdsa": [
          "digital_signature",
          "key_agreement"
        ]
      }
    },
    "extended_key_usage": {
      "critical": true,
      "allow_critical_override": true,
      "required_usages": [
        {
          "oid": "server_authentication",
          "name": ""
        },
        {
          "oid": "client_authentication",
          "name": ""
        }
      ]
    },
    "san": {
      "critical": false,
      "dns_name": {
        "include": "no",
        "auto_include_cn": "no",
        "allowed_source": [
          "csr",
          "fixed_value",
          "user_supplied"
        ]
      }
    }
  },
  "renewal_settings": {
    "renew_valid_cert": "anytime",
    "renew_expired_cert": "anytime",
    "renew_revoked_cert": true,
    "renewal_key_pair": "optional",
    "allow_override_renewal_key_pair": true
  },
  "serial_number_size": 20,
  "validity": {
    "min_duration": {
      "value": 1,
      "unit": "days"
    },
    "max_duration": {
      "value": 10,
      "unit": "years"
    },
    "default_duration": {
      "value": 1,
      "unit": "days"
    }
  }
}