@RequestMapping(value = "/admin/accounts/{accountId}/pools/{poolId}", method = RequestMethod.POST)
 @ResponseBody
 public boolean updateAccountPool(
     @PathVariable("accountId") Long accountId,
     @PathVariable("poolId") Long poolConfigurationId,
     @RequestBody String newPoolSettingJson) {
   boolean updated = poolDao.updatePool(poolConfigurationId, accountId, newPoolSettingJson);
   nodeManagementExecutor.update(poolDao.readPoolById(poolConfigurationId).poolSettings);
   return updated;
 }