Get a campaign

curl --request GET \
  --url https://api.vocobase.com/api/v2/campaigns/{id} \
  --header 'Authorization: Bearer <token>'

{
  "success": true,
  "data": {
    "campaign_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "name": "<string>",
    "description": "<string>",
    "agent_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "agent_name": "<string>",
    "provider": "mcube",
    "concurrency_limit": 5,
    "status": "draft",
    "total_contacts": 123,
    "completed_count": 123,
    "failed_count": 123,
    "skipped_count": 123,
    "started_at": "2023-11-07T05:31:56Z",
    "paused_at": "2023-11-07T05:31:56Z",
    "completed_at": "2023-11-07T05:31:56Z",
    "created_at": "2023-11-07T05:31:56Z"
  }
}