@Indexed
public  class PromotionTemplate extends AbstractEntity implements Serializable {
    ...

    @IndexedEmbedded
    private Map<Long, PromotionTemplateStatistics> organizationStatistics = new HashMap<>();

    ...
}

@AnalyzerDefs({
        @AnalyzerDef(name = "exactMatchAnalyzer",
                tokenizer = @TokenizerDef(factory = KeywordTokenizerFactory.class), //
                filters = {@TokenFilterDef(factory = LowerCaseFilterFactory.class)}),
        @AnalyzerDef(name = "partialMatchAnalyzer",
                tokenizer = @TokenizerDef(factory = KeywordTokenizerFactory.class), //
                filters = { //
                        @TokenFilterDef(factory = LowerCaseFilterFactory.class),
                        @TokenFilterDef(factory = NGramFilterFactory.class, params = {@Parameter(name = "maxGramSize", value = "50")})
                })
})
public abstract class AbstractEntity {
}

Query query = queryBuilder.keyword().onFields("organizationStatistics.id").matching(id).createQuery();

SortField sortFields = new SortField("organizationStatistics.viewsSort", SortField.Type.LONG, true);
Sort sort = new Sort(sortField);