curl --request POST \
  --url {schemes}://api.upsun.com/ssh_keys \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "value": "<string>",
  "title": "<string>",
  "uuid": "<string>"
}
'

{
  "key_id": 123,
  "uid": 123,
  "fingerprint": "<string>",
  "title": "<string>",
  "value": "<string>",
  "changed": "<string>"
}