Sample Request:

 {
 "resourceId":"5f5641a7e74e187a7e3d5266",
 "commonName":"testcert8g.appviewx.plus",
 "serialNumber":"08:BD:54:35:FD:81:AC:A4:45:2B:FC:9F:77:56:FE:2C",
 "action":"Regenerate",
 "reason":"Key compromised",
 "uploadCsrDetails":{
           "csrContent":"-----BEGIN CERTIFICATE REQUEST-----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\nurxpAqC9+ALfTHPA/ik8Bs/J7H4Cee58PTOydbi9KET3\n-----END CERTIFICATE REQUEST-----",
           "category":"server"
       }
 } 
Note: Please refer to the "Request Structure" to identify the changeable values.