message: Use createdOn in OCPI token when lastChangedOn is not provided
diff: @@ -196,7 +196,7 @@ export default class OCPIUtils {
  issuer: tenant.name,
  valid: tag.active && tag.user?.status === UserStatus.ACTIVE,
  whitelist: OCPITokenWhitelist.ALLOWED_OFFLINE,
  - last_updated: tag.lastChangedOn ?? new Date()
  + last_updated: tag.lastChangedOn ?? tag.createdOn
  };
  }
  