curl --request POST \
  --url https://public-api.sessionboard.com/v1/event/{eventId}/sponsors/{sponsorId}/restore \
  --header 'x-access-token: <api-key>'

{
  "id": "<string>",
  "friendly_id": "<string>",
  "friendly_id_raw": 123,
  "name": "<string>",
  "description": "<string>",
  "logo_image_url": "<string>",
  "banner_image_url": "<string>",
  "phone": "<string>",
  "address_line_1": "<string>",
  "address_line_2": "<string>",
  "address_city": "<string>",
  "address_state": "<string>",
  "address_postal_code": "<string>",
  "address_coutnry": "<string>",
  "facebook_url": "<string>",
  "instagram_url": "<string>",
  "linkedin_url": "<string>",
  "snapchat_username": "<string>",
  "tiktok_username": "<string>",
  "twitter_url": "<string>",
  "website_url": "<string>",
  "created_at": "<string>",
  "updated_at": "<string>",
  "custom_fields": [
    {
      "id": "<string>",
      "name": "<string>",
      "value": "<string>",
      "type": "<string>",
      "internal_name": "<string>",
      "created_at": "<string>"
    }
  ],
  "translated_fields": [
    {
      "id": "<string>",
      "name": "<string>",
      "type": "<string>",
      "parent_field_id": "<string>",
      "parent_field_source": "<string>",
      "parent_field_name": "<string>",
      "parent_field_internal_name": "<string>",
      "translated_language": "<string>",
      "value": "<string>"
    }
  ],
  "contacts": [
    {
      "id": "<string>",
      "friendly_id": "<string>",
      "friendly_id_raw": 123,
      "full_name": "<string>",
      "first_name": "<string>",
      "last_name": "<string>",
      "email": "<string>",
      "photo_url": "<string>",
      "company_name": "<string>",
      "title": "<string>",
      "about": "<string>",
      "is_primary": true,
      "contact_created_at": "<string>",
      "contact_updated_at": "<string>",
      "relationship_created_at": "<string>",
      "relationship_updated_at": "<string>"
    }
  ],
  "admin_url": "<string>"
}