curl --request GET \
  --url https://api.buildwithchirp.com/v1/whatsapp/groups/{groupId} \
  --header 'Authorization: Bearer <token>'

{
  "group": {
    "id": "<string>",
    "metaGroupId": "<string>",
    "subject": "<string>",
    "description": "<string>",
    "joinApprovalMode": "auto_approve",
    "inviteLink": "<string>",
    "suspended": true,
    "totalParticipantCount": 123,
    "whatsappPhoneNumberId": "<string>",
    "createdAt": "<string>"
  }
}