A contact. remove/2 populates contact (its id) plus deleted. properties is a map of key => %{"type" => "string" | "number", "value" => ...}.
remove/2
contact
deleted
properties
key => %{"type" => "string" | "number", "value" => ...}
@type t() :: %MillionSend.Contacts.Contact{ contact: term(), created_at: term(), deleted: term(), email: term(), first_name: term(), id: term(), last_name: term(), object: term(), properties: term(), unsubscribed: term() }