curl --request GET \
  --url http://localhost:{port}/api/v1/contacts/{contactId} \
  --header 'Authorization: Bearer <token>'

{
  "contact": {
    "id": "<string>",
    "name": "<string>",
    "number": "<string>",
    "isBusiness": true,
    "isEnterprise": true,
    "isMe": true,
    "isUser": true,
    "isGroup": true,
    "isWAContact": true,
    "isMyContact": true,
    "isBlocked": true,
    "pushname": "<string>",
    "shortName": "<string>"
  },
  "about": "<string>",
  "profilePicUrl": "<string>",
  "phoneNumber": {
    "full": "<string>",
    "formatted": "<string>",
    "countryCode": "<string>",
    "regionCode": "<string>",
    "number": "<string>"
  }
}