curl --request POST \
  --url https://{base_url}/v1/app/user \
  --header 'Content-Type: application/json' \
  --data '
{
  "account_id": "<string>",
  "role": "AppGuest"
}
'

{
  "id": "<string>",
  "org_id": "<string>",
  "account_id": "<string>",
  "name": "<string>",
  "email": "<string>",
  "state": "Active",
  "roles": [
    "AppGuest"
  ],
  "created_at": "<string>",
  "profile_picture": "<string>",
  "job_position_name": "<string>",
  "job_position_description": "<string>"
}