Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number: 115451 (0x1c2fb)
        Signature Algorithm: ecdsa-with-SHA256
        Issuer: C=CN, ST=JILIN, L=CHANGCHUN, OU=CUCA, O=CU, CN=China Unicom eSIM Root CA
        Validity
            Not Before: Dec 29 02:46:22 2021 GMT
            Not After : Dec 29 02:46:22 2031 GMT
        Subject: C=CN, ST=hubei, L=wuhan, OU=IoT BD, O=Wuhan Tianyu Information Industry CO.  LTD, CN=China Unicom eSIM 100 EUM CA
        Subject Public Key Info:
            Public Key Algorithm: id-ecPublicKey
                Public-Key: (256 bit)
                pub:
                    04:4f:99:07:f7:0d:12:bc:6d:32:3a:44:87:30:35:
                    fb:73:de:71:2e:ec:4e:9e:e7:50:a7:6a:31:f6:0f:
                    ce:53:72:51:4f:b4:28:17:d2:0a:48:3e:7f:04:52:
                    7f:e2:f0:39:5b:1c:d1:a5:5b:7f:17:ec:f0:0b:1b:
                    28:99:6a:d3:69
                ASN1 OID: prime256v1
                NIST CURVE: P-256
        X509v3 extensions:
            X509v3 Authority Key Identifier: 
                16:B5:D1:60:48:E3:EA:02:BD:4B:60:6E:5F:77:A4:BF:20:80:8D:83
            X509v3 Subject Key Identifier: 
                6D:F6:04:12:1F:DF:00:86:17:1A:6B:B7:1F:04:43:1C:68:88:20:1C
            X509v3 Key Usage: critical
                Certificate Sign, CRL Sign
            X509v3 Certificate Policies: critical
                Policy: 2.23.146.1.2.1.2
            X509v3 Subject Alternative Name: 
                Registered ID:1.3.6.1.4.1.36608.1.0
            X509v3 Basic Constraints: critical
                CA:TRUE, pathlen:0
            X509v3 Name Constraints: critical
                Permitted:
                  DirName:serialNumber = 89086029, O = Wuhan Tianyu Information Industry CO.  LTD
            X509v3 CRL Distribution Points: 
                Full Name:
                  URI:http://esimcrl.uni-ca.com.cn:6666/download/n1.crl
                Full Name:
                  URI:http://esimcrl.uni-ca.com.cn:6666/download/n2.crl
    Signature Algorithm: ecdsa-with-SHA256
    Signature Value:
        30:46:02:21:00:a5:a3:52:10:60:4f:e4:18:df:d1:b1:70:ef:
        da:e3:1b:95:2d:34:65:b9:59:25:c5:54:b9:f0:fc:c1:a8:70:
        a8:02:21:00:8b:ac:55:52:6b:d9:78:fb:4b:01:42:66:dc:0b:
        b5:40:7e:e8:a1:a2:06:ef:e0:ee:23:37:0f:a0:a9:1e:08:57
-----BEGIN CERTIFICATE-----
MIIDczCCAxigAwIBAgIDAcL7MAoGCCqGSM49BAMCMHExCzAJBgNVBAYTAkNOMQ4w
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bzAfBgNVHSMEGDAWgBQWtdFgSOPqAr1LYG5fd6S/IICNgzAdBgNVHQ4EFgQUbfYE
Eh/fAIYXGmu3HwRDHGiIIBwwDgYDVR0PAQH/BAQDAgEGMBcGA1UdIAEB/wQNMAsw
CQYHZ4ESAQIBAjAVBgNVHREEDjAMiAorBgEEAYKeAAEAMBIGA1UdEwEB/wQIMAYB
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RgIhAKWjUhBgT+QY39GxcO/a4xuVLTRluVklxVS58PzBqHCoAiEAi6xVUmvZePtL
AUJm3Au1QH7ooaIG7+DuIzcPoKkeCFc=
-----END CERTIFICATE-----