curl --request POST \
  --url https://schoolmaker.co/api/v1/coachings/appointments \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "type_id": "<string>",
  "date": "<string>",
  "duration_hours": 123,
  "duration_minutes": 123,
  "name": "<string>",
  "description": "<string>",
  "is_published": true,
  "member_emails": [
    "<string>"
  ],
  "user_emails": [
    "<string>"
  ]
}'

{
  "appointment_id": "<string>"
}