$fields = ['uid' => $recipient['uid'], 'guid' => $conv_guid, 'creator' => $sender_handle,
'created' => DateTimeFormat::utcNow(), 'updated' => DateTimeFormat::utcNow(),
'subject' => $subject, 'recips' => $handles];
$fields = ['uid' => $recipient['uid'], 'guid' => $conv_guid, 'creator' => $sender_handle,
'created' => DateTimeFormat::utcNow(), 'updated' => DateTimeFormat::utcNow(),
'subject' => $subject, 'recips' => $handles];