Get user's organization id

On my project I inject custom info about user stored in user_metada, or app_metadata in the JWT using rule like this:

function (user, context, callback) {
  //const userAppsRoles = (context.authorization || {}).roles;
  //const connectionID = (context || {}).connectionID;
  // app_metadata
  const userAppMetadata = user.app_metadata = user.app_metadata || {};
  const userCustomerId = userAppMetadata.cid = userAppMetadata.cid || null;
  // user_metadada
  const userUserMetadata = user.user_metadata = user.user_metadata || {};
  const userLanguage = userUserMetadata.language = userUserMetadata.language || null;
  
  let idTokenClaims = context.idToken || {};
  let accessTokenClaims = context.accessToken || {};

  idTokenClaims[configuration.NAMESPACE + 'cid'] = userCustomerId;
  accessTokenClaims[configuration.NAMESPACE + 'cid'] = userCustomerId;
  idTokenClaims[configuration.NAMESPACE + 'language'] = userLanguage;
  accessTokenClaims[configuration.NAMESPACE + 'language'] = userLanguage;
  
  context.idToken = idTokenClaims;
  context.accessToken = accessTokenClaims;

  callback(null, user, context);
}