Generate private key w/ CSR via iControl REST

 Here is the pay payload and URI for the CSR generations

https://{{bigip}}/mgmt/tm/sys/crypto/csr

Please note, you need to have key generated before prior to create the CSR.

{  
	"name": "www.example.com",  
	"commonName": "www.example.com",
    "partition":"TENANT_2",  
	"key": "www.example.com.key",  
	"organization": "Cutomer4",  
	"ou": "Engineering",  
	"city": "London",  
	"state_or_province_name": "England",
    "country": "UK",
	"email-address": "customer4@example2.com"
}