curl --request POST \
  --url https://v1.api.flux-os.com/organization/users \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --header 'x-user-id: <api-key>' \
  --data '
{
  "first_name": "<string>",
  "last_name": "<string>",
  "email": "<string>",
  "phone": "<string>",
  "title": "<string>"
}
'

{
  "data": {
    "stytch_id": "<string>",
    "first_name": "<string>",
    "last_name": "<string>",
    "email": "<string>",
    "phone": "<string>",
    "title": "<string>",
    "id": "<string>",
    "organization": {
      "name": "<string>",
      "id": "<string>"
    },
    "created_at": "2023-11-07T05:31:56Z",
    "updated_at": "2023-11-07T05:31:56Z",
    "roles": [
      {
        "name": "<string>",
        "id": "<string>"
      }
    ],
    "permissions": [
      {
        "name": "<string>",
        "code": "<string>",
        "id": "<string>"
      }
    ]
  }
}