@spec run() :: %Mailglass.ReferenceHost.WebhookOperatorProof{
  execution_marker: term(),
  negative_body: term(),
  negative_reason: term(),
  negative_status: term(),
  persistence_marker: term(),
  positive_body: term(),
  positive_status: term(),
  positive_tenant_resolved: term(),
  provider: term(),
  route: term(),
  tenant_resolution_marker: term(),
  verified_before_tenant: term()
}