curl --request POST \
  --url https://api.example.com/api/v1/cluster/join/filestore \
  --header 'Authorization: <authorization>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "api_port": 123,
  "csr": "<string>",
  "id": "<string>",
  "ip_address": "<string>"
}
'

{
  "ca_cert": "<string>",
  "node_cert": "<string>"
}