Get campaign details

{  "campaign": {    "id": 0,    "subject": "string",    "content": "string",    "lifecycle_status": "draft",    "story_alignment": "left",    "story_appearance": "full",    "sender_domain_verification_status": "valid",    "sender_domain_verification_flow": "v1",    "author": {      "id": 0,      "email": "http://example.com",      "name": "string",      "display_name": "string",      "first_name": "string",      "last_name": "string",      "avatar_url": "http://example.com"    },    "sender": {      "id": 0,      "sender_email": "user@example.com",      "sender_name": "string",      "type": "string",      "is_default": true,      "is_public_webmail": true,      "domain": {        "domain_name": "example.com",        "is_valid": true,        "is_public_webmail": true,        "is_prezlymail": true,        "is_upgrade_recommended": true,        "verification_flow_version": "v1"      },      "is_verified": true,      "is_approved": true,      "domain_info": "string"    },    "story": {      "uuid": "095be615-a8ad-4c33-8e9c-c7612fbf6c9f",      "id": 0,      "thumbnail_url": "http://example.com",      "title": "string",      "culture": {        "code": "en",        "name": "string",        "direction": "ltr",        "language_code": "en",        "native_name": "string"      },      "language": "string",      "status": "uninitialized",      "lifecycle_status": "uninitialized",      "publication_status": "uninitialized",      "visibility": "public",      "created_at": "2019-08-24T14:15:22Z",      "updated_at": "2019-08-24T14:15:22Z",      "published_at": "2019-08-24T14:15:22Z",      "scheduled_at": "2019-08-24T14:15:22Z",      "author": {        "id": 0,        "email": "http://example.com",        "name": "string",        "display_name": "string",        "first_name": "string",        "last_name": "string",        "avatar_url": "http://example.com"      },      "newsroom": {        "id": 0,        "uuid": "095be615-a8ad-4c33-8e9c-c7612fbf6c9f",        "name": "string",        "display_name": "string",        "subdomain": "string",        "thumbnail_url": "http://example.com",        "timezone": "europe/london",        "is_active": true,        "is_archived": true,        "is_online": true,        "is_offline": true,        "is_multilingual": true,        "url": "http://example.com",        "links": {          "media_gallery_api": "http://example.com",          "room_contacts_api": "http://example.com",          "analytics_and_visibility_settings": "http://example.com",          "categories_management": "http://example.com",          "company_info_settings": "http://example.com",          "contacts_management": "http://example.com",          "domain_settings": "http://example.com",          "edit": "http://example.com",          "gallery_management": "http://example.com",          "hub_settings": "http://example.com",          "languages": "http://example.com",          "look_and_feel_settings": "http://example.com",          "manual_subscription_management": "http://example.com",          "privacy_settings": "http://example.com",          "widget_settings": "http://example.com"        }      },      "url": "http://example.com",      "oembed": {        "url": "http://example.com",        "type": "video",        "version": "1.0",        "title": "string",        "description": "string",        "author_name": "string",        "author_url": "http://example.com",        "provider_name": "string",        "provider_url": "http://example.com",        "cache_age": 0,        "html": "string",        "thumbnail_url": "http://example.com",        "thumbnail_width": 1,        "thumbnail_height": 1,        "screenshot_url": "http://example.com"      },      "slug": "string"    },    "newsroom": {      "id": 0,      "uuid": "095be615-a8ad-4c33-8e9c-c7612fbf6c9f",      "name": "string",      "display_name": "string",      "subdomain": "string",      "thumbnail_url": "http://example.com",      "timezone": "europe/london",      "is_active": true,      "is_archived": true,      "is_online": true,      "is_offline": true,      "is_multilingual": true,      "url": "http://example.com",      "links": {        "media_gallery_api": "http://example.com",        "room_contacts_api": "http://example.com",        "analytics_and_visibility_settings": "http://example.com",        "categories_management": "http://example.com",        "company_info_settings": "http://example.com",        "contacts_management": "http://example.com",        "domain_settings": "http://example.com",        "edit": "http://example.com",        "gallery_management": "http://example.com",        "hub_settings": "http://example.com",        "languages": "http://example.com",        "look_and_feel_settings": "http://example.com",        "manual_subscription_management": "http://example.com",        "privacy_settings": "http://example.com",        "widget_settings": "http://example.com"      }    },    "thumbnail_url": "http://example.com",    "recipients_number": 0,    "audience_selection_data": {      "tags": {        "included": [          1        ],        "excluded": [          1        ],        "match": "any"      },      "emails": {        "addresses": [          "user@example.com"        ],        "create_missing_contacts": true      },      "previous_campaigns": [        1      ],      "contact_views": [        "e84dd9cf-e694-4488-bfb6-af5b67542a12"      ]    },    "stats": {      "recipients": 0,      "delivered": 0,      "clicks": 0,      "opens": 0,      "replies": 0,      "bounces": 0,      "unsubscribes": "string",      "clicks_rate": 0,      "opens_rate": 0,      "replies_rate": 0,      "unsubscribes_rate": 0,      "undelivered_rate": 0    },    "created_at": "2019-08-24T14:15:22Z",    "updated_at": "2019-08-24T14:15:22Z",    "scheduled_at": "2019-08-24T14:15:22Z",    "sent_at": "2019-08-24T14:15:22Z",    "delivered_at": "2019-08-24T14:15:22Z"  },  "warnings": [    {      "field": "string",      "code": "string",      "message": "string"    }  ]}