curl https://api.prod.us-east-1.warpstream.com/api/v1/create_virtual_cluster_credentials \
-H 'warpstream-api-key: XXXXXXXXXX' \
-H 'Content-Type: application/json' \
-d '{"credentials_name": "xxx", "is_cluster_superuser":true, "agent_pool_id": "api_69212707_3c34_485c_b67e_6efc94c1f925", "virtual_cluster_id": "vci_1d4930d7_8e6d_4ad9_b27a_654ed4aaa3ee"}'
{
"id": "cci_47aecf40_24ca_4ee5_ab4a_fd4a8c4c10e1",
"username":"ccun_XXXXXXXXXX",
"password": "ccp_XXXXXXXXXX"
}