Get campaign

{
    "status": true,
    "data": [
        {
            "campaign_id": 1,
            "campaign_title": "Sample Campaign",
            "contact_list_id": 1,
            "contact_list_name": "Sample List",
            "campaign_message_type_id": 1,
            "campaign_message_type_name": "Broadcast",
            "flag_template": true,
            "whatsapp_template_id": 10,
            "whatsapp_template_name": "sample_template",
            "whatsapp_template_display_name": "Sample Template",
            "whatsapp_template_description": null,
            "meta_integration_whatsapp_id": 3,
            "meta_integration_whatsapp_phone_number_id": 5,
            "waba_id": "100000000000001",
            "waba_name": "Sample Business",
            "phone_number_id": "100000000000002",
            "display_phone_number": "+1 555 000 0000",
            "campaign_message_content": null,
            "campaign_message_sending_date": null,
            "campaign_message_sending_time": null,
            "campaign_execution_status_id": 1,
            "campaign_execution_status_name": "Draft",
            "flag_retarget": false,
            "retargeted_from_campaign_id": null,
            "created_at_timestamp": "2026-01-01T00:00:00.000Z",
            "updated_at_timestamp": null,
            "total_campaign_contact": 25,
            "total_sent_campaign_contact": 0,
            "total_pending_campaign_contact": 25,
            "total_failed_campaign_contact": 0,
            "total_message_undelivered_campaign_contact": 0,
            "total_opted_out_campaign_contact": 0,
            "total_clicked_count": 0,
            "total_contacts_who_clicked": 0,
            "campaign_contact_assignment_data": [],
            "campaign_variable_data": [],
            "campaign_contact_tag_filter": [],
            "campaign_contact_filter": []
        }
    ]
}