curl --request POST \
  --url https://us.infisical.com/api/v1/ssh/host-groups/{sshHostGroupId}/hosts/{hostId}

{
  "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "projectId": "<string>",
  "hostname": "<string>",
  "alias": "<string>",
  "userCertTtl": "<string>",
  "hostCertTtl": "<string>",
  "userSshCaId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "hostSshCaId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "loginMappings": [
    {
      "loginUser": "<string>",
      "allowedPrincipals": {
        "usernames": [
          "<string>"
        ],
        "groups": [
          "<string>"
        ]
      }
    }
  ]
}