Certificate authority for TLS connections

The webhook client always uses a signed TLS connection with a certificate signed by this authority.
While the client certificate typically expires after a year, it’s always signed by this authority that expires after 10 years.
Following are the certificate details from the openssl tool:
Certificate:
    Data:
    Version: 3 (0x2)
    Serial Number:
            09:13:cf:50:4d:17:48:25:15:43:e0:75:2a:67:74:ec:78:cc:5a:d4
    Signature Algorithm: sha256WithRSAEncryption
    Issuer: C=US, ST=Massachusetts, L=Burlington, O=Nuance, OU=Nuance, CN=*.Nuance/emailAddress=support@nuance.com
    Validity
    Not Before: Jul 22 18:35:17 2022 GMT
    Not After : Jul 19 18:35:17 2032 GMT
    Subject: C=US, ST=Massachusetts, L=Burlington, O=Nuance, OU=Nuance, CN=*.Nuance/emailAddress=support@nuance.com
    Subject Public Key Info:
    Public Key Algorithm: rsaEncryption
    Public-Key: (4096 bit)
    Modulus:
                    00:aa:3f:13:d7:03:1a:ed:5f:c4:23:e5:3c:5a:88:
                    73:b9:e6:9f:17:c1:77:18:f4:e0:c0:f3:fe:f8:ef:
    c9:97:57:58:25:42:a4:87:ea:a9:9f:29:08:08:dd:
                    1f:8a:b5:af:15:f7:14:fb:ba:31:fb:97:33:10:b7:
                    6e:3b:e7:0f:9d:37:a5:fa:45:3b:97:6e:68:0a:80:
                    5b:47:ab:f5:e5:3f:93:c3:db:35:7f:77:ee:d0:e9:
                    98:2c:be:7e:c6:bc:ea:27:59:2d:59:eb:7c:24:d9:
    e3:fd:a8:1a:79:95:3f:a6:d8:b6:5d:d7:c6:8b:03:
    ba:e0:ee:1c:45:45:c8:f5:c9:1e:f9:b9:d7:d3:b3:
                    89:e1:b1:85:44:d7:a9:00:d3:74:38:1f:04:2c:7c:
    de:18:0f:9e:85:f4:70:2e:3c:ad:11:ed:26:17:2c:
    dd:86:45:f0:4d:4e:22:a8:de:e8:ac:c0:c3:4e:e4:
                    43:32:d4:76:e9:d8:55:0a:0d:b6:f9:1a:25:0e:aa:
    d2:8b:c7:35:f2:57:86:1d:4a:25:2b:41:b1:d9:33:
                    3d:4a:1b:05:3c:ce:b3:24:2d:64:6e:7d:b6:ef:5b:
                    12:32:5b:90:fe:2c:08:bc:5b:e3:ae:3d:62:fb:61:
    e5:d3:c5:43:a5:3a:af:d5:f8:e1:13:97:55:f7:17:
                    01:f7:e2:9d:c7:bb:35:66:4b:46:6d:23:b1:c9:e2:
                    69:6d:a6:04:42:28:76:d8:7d:46:2e:59:21:dd:cf:
                    15:0c:7c:41:f0:f0:8c:ae:1f:ac:e1:51:0c:4f:d7:
                    8b:ae:e7:c8:76:b5:15:bc:2e:3b:9e:fa:09:88:63:
                    64:12:df:1e:06:ed:6f:c9:70:c6:94:b1:87:a9:c9:
                    5b:a8:c6:16:21:db:ce:1e:40:59:6d:48:56:75:fa:
                    13:d9:bc:bd:f1:c0:9d:49:be:e0:a6:07:31:2c:4a:
                    8b:54:c8:da:64:cd:05:17:d6:33:c7:8b:25:70:38:
                    93:7c:1a:a8:3e:3b:a1:be:43:ca:d4:1b:86:a0:82:
                    98:67:3f:73:0c:88:1e:19:20:0d:25:67:e9:65:22:
                    93:83:98:a0:62:28:d2:44:87:74:d9:f9:c2:85:9b:
                    03:66:f0:53:15:8e:d8:60:6e:0c:e4:cf:59:a0:c3:
    f2:6c:89:b2:7a:8a:05:86:51:63:21:df:c8:ae:be:
    ef:aa:9c:60:ae:34:cc:ad:00:16:e9:29:bb:d4:59:
                    86:c6:ee:4f:c5:96:98:7e:1c:99:4a:7e:65:37:1a:
                    02:72:e2:20:6e:64:4a:84:3a:c5:35:46:f7:ad:e6:
    bf:d5:82:f4:65:f4:3d:56:c6:a7:2a:02:a2:0c:96:
                    29:48:23
    Exponent: 65537 (0x10001)
    X509v3 extensions:
    X509v3 Subject Key Identifier:
    CC:BF:60:3F:59:B6:D1:8F:98:FA:6F:17:1D:0F:56:5D:F1:17:70:14
    X509v3 Authority Key Identifier:
    keyid:CC:BF:60:3F:59:B6:D1:8F:98:FA:6F:17:1D:0F:56:5D:F1:17:70:14
    X509v3 Basic Constraints: critical
    CA:TRUE
    Signature Algorithm: sha256WithRSAEncryption
         66:8e:18:3b:98:2f:b8:ab:d5:93:ff:38:55:9c:9e:97:e9:29:
         53:09:75:25:3c:ad:18:46:7a:6d:10:21:f5:b2:1a:ac:56:0d:
    b4:0a:f1:49:b2:a9:87:89:e5:01:55:5e:38:91:d6:8c:4c:45:
    ab:0f:36:2c:33:e4:25:68:36:29:7b:c8:e0:6c:f4:04:1a:cb:
         5d:0d:53:f9:18:4c:d1:b1:26:5d:3d:68:a3:10:c5:8c:11:04:
         58:ed:fa:5c:ea:8b:b4:f7:12:f6:83:5f:bd:c7:0e:22:0e:89:
    cf:24:3c:87:7c:7a:22:b7:8a:75:3c:fb:23:e0:6e:28:a4:be:
         11:5b:44:2a:b8:53:9c:8b:5b:e5:d7:29:26:ff:86:5a:3f:61:
    c4:c3:42:43:64:7c:a4:82:51:b9:40:42:27:ed:2e:c0:a4:f7:
         29:ad:6a:ae:a8:85:e5:7b:7c:62:21:88:63:c7:a5:a8:bf:fc:
    c8:1d:59:ba:9d:7f:2a:44:ba:41:a2:19:4e:ab:e6:1e:51:a3:
    d4:42:d1:4d:d6:76:e2:ed:76:9b:fd:42:12:34:8d:be:d6:fb:
         5c:8f:9e:74:66:fb:4c:f8:c0:35:3f:8d:a4:3e:ef:54:37:b8:
    c4:2d:be:36:5e:f9:ae:6e:a8:6f:c3:8a:20:8a:82:a5:5d:aa:
    ce:c7:ee:11:5a:07:b3:30:d5:19:33:ec:d9:1c:25:4a:82:ed:
    c0:75:a7:df:c3:47:59:00:c7:11:b0:f4:ce:2b:e2:d4:9d:6d:
    c6:03:8d:18:df:38:03:85:d1:2a:58:6c:e9:35:eb:6d:e7:99:
         0c:b6:04:a3:20:13:98:2e:51:41:ae:7a:33:26:2b:f6:fa:49:
    e9:2d:71:be:82:f4:34:dd:14:3b:e9:86:9c:64:c3:ab:ba:0c:
         38:68:a3:5e:8b:f5:d0:a5:92:f5:1b:3f:95:fd:17:5b:e9:fc:
    a1:38:02:ec:94:99:3d:ca:60:99:2d:06:b5:f1:52:27:4f:2c:
         1b:04:17:6f:e9:db:88:fb:46:0a:7a:79:a1:39:09:fd:45:46:
         83:69:1b:52:01:2e:b9:b0:ad:f2:c4:1a:59:b7:62:2a:e1:85:
    f1:3a:31:39:2f:4e:f2:cb:2b:44:bc:c6:9a:df:39:8f:7f:fb:
         6f:56:9d:84:59:be:35:5b:df:c1:02:43:ff:b1:78:ba:c6:44:
         0d:4e:ad:c2:7a:f9:68:1d:49:f9:65:27:b0:ee:cb:60:58:62:
         1b:7b:02:33:a9:f4:9d:de:ab:e6:74:4d:d5:76:23:84:c4:a7:
         28:90:35:97:90:ec:6e:98:a8:10:87:33:09:60:80:a2:13:94:
    ed:5c:c5:90:60:92:6f:30