{
  "@context": {
    "@version": 1.1,
    "schema": "https://schema.org/",
    "silverpop": "https://developer.goacoustic.com/vocab#",
    "xsd": "http://www.w3.org/2001/XMLSchema#",

    "Contact": "schema:Person",
    "Database": "schema:ItemList",
    "Campaign": "schema:EmailMessage",
    "Program": "silverpop:AutomationProgram",
    "EngagementEvent": "schema:InteractionCounter",

    "id": "@id",
    "email": "schema:email",
    "first_name": "schema:givenName",
    "last_name": "schema:familyName",
    "opt_in_status": "silverpop:optInStatus",
    "custom_fields": "silverpop:customFields",
    "created": {"@id": "schema:dateCreated", "@type": "xsd:dateTime"},
    "modified": {"@id": "schema:dateModified", "@type": "xsd:dateTime"},

    "name": "schema:name",
    "subject": "schema:about",
    "status": "schema:status",
    "database_id": "silverpop:databaseReference",
    "from_name": "schema:senderName",
    "from_email": "schema:senderEmail",
    "scheduled_date": {"@id": "silverpop:scheduledDate", "@type": "xsd:dateTime"},
    "sent_date": {"@id": "silverpop:sentDate", "@type": "xsd:dateTime"},

    "sent_count": "silverpop:sentCount",
    "delivered_count": "silverpop:deliveredCount",
    "open_count": "silverpop:openCount",
    "click_count": "silverpop:clickCount",
    "unsubscribe_count": "silverpop:unsubscribeCount",
    "bounce_count": "silverpop:bounceCount",
    "open_rate": "silverpop:openRate",
    "click_rate": "silverpop:clickRate"
  }
}