curl --request PATCH \
  --url https://api.example.com/users/{user} \
  --header 'Content-Type: application/json' \
  --data '
{
  "first_name": "<string>",
  "last_name": "<string>",
  "email": "jsmith@example.com",
  "reference": "<string>",
  "show_email": true,
  "unit": 123,
  "userTypes": [
    123
  ],
  "title": "<string>",
  "phone": "<string>",
  "show_phone": true,
  "alt_phone": "<string>",
  "show_alt_phone": true,
  "specialties": [
    123
  ],
  "birthday": "<string>",
  "admin": 0,
  "settings": {
    "show_birthdays": "<string>",
    "birthdays_optout": true,
    "privatemsg": [
      123
    ],
    "language": "<string>",
    "timezone": "<string>",
    "text_to_speech_enabled": true
  },
  "meta_field_0": "<string>",
  "meta_field_1": "<string>",
  "meta_field_2": "<string>",
  "meta_field_3": "<string>",
  "meta_field_4": "<string>"
}
'