SSL Error: ALERT_HANDSHAKE_FAILURE

Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number: 1686077318323658287 (0x1766266346865e2f)
        Signature Algorithm: ecdsa-with-SHA256
        Issuer: C=US, ST=CA, O=Datrium Inc., CN=Datrium Inc./serialNumber=a3b76ce9-c822-48cc-87f9-d50d98252b1d
        Validity
            Not Before: Jan  1 18:48:38 1970 GMT
            Not After : Jun  3 18:48:38 2033 GMT
        Subject: C=US, ST=CA, O=Datrium Inc., CN=Datrium Inc./serialNumber=a3b76ce9-c822-48cc-87f9-d50d98252b1d
        Subject Public Key Info:
            Public Key Algorithm: id-ecPublicKey
                Public-Key: (521 bit)
                pub:
                    04:01:f1:25:7f:5d:a9:7d:45:0f:d3:57:92:5e:71:
                    18:21:c0:06:3c:0d:73:7a:71:b4:62:f8:c8:31:4a:
                    f5:c6:8f:e2:73:ca:3f:dd:07:e0:b1:f9:d7:1d:df:
                    8b:64:f8:b9:6f:74:c9:d1:97:0d:ee:68:c3:c3:b2:
                    2b:ba:a6:f2:b4:e1:cf:00:00:8d:74:fa:00:9e:55:
                    5a:f9:ab:e1:5d:3f:f9:3c:2d:7d:f8:3d:bd:71:0b:
                    14:c0:f0:b8:1d:d9:46:b6:2d:1b:a9:25:bc:0d:4a:
                    88:ae:a1:b2:8f:bd:b0:38:4d:eb:97:50:23:88:e5:
                    13:2a:80:ab:a3:1d:1f:96:01:57:24:58:8c
                ASN1 OID: secp521r1
                NIST CURVE: P-521
    Signature Algorithm: ecdsa-with-SHA256
    Signature Value:
        30:81:88:02:42:01:8f:71:62:29:e7:b8:25:2b:25:0f:2f:ab:
        b5:5f:76:f0:6e:13:56:e6:10:47:ab:02:1b:72:30:a3:72:c2:
        5c:bb:81:58:43:a5:00:1e:39:9c:9b:a5:78:ce:b8:a0:01:a4:
        9d:9e:51:ee:ed:b3:76:5c:b0:4a:4b:ab:0d:6b:74:81:87:02:
        42:01:2a:f8:5f:9a:2b:bb:89:e8:3c:44:41:93:df:0f:61:7f:
        09:65:10:84:dc:5f:4a:e5:1e:4f:5f:d8:80:67:15:e1:51:09:
        16:3f:a2:92:a0:9b:35:5d:3b:15:11:ba:b7:ab:3f:c0:35:d9:
        69:2c:a6:76:d7:39:7a:ad:e0:ef:26:5a:e4