code: @Override
      public CreateUpdateEntitiesResult createEntities(String entityInstanceDefinition) throws AtlasException {
          entityInstanceDefinition = ParamChecker.notEmpty(entityInstanceDefinition, "Entity instance definition");
  
          ITypedReferenceableInstance[] typedInstances = deserializeClassInstances(entityInstanceDefinition);
  
          return createEntities(typedInstances);
      }
docs: Creates an entity, instance of the type.
  
  @param entityInstanceDefinition json array of entity definitions
  @return guids - list of guids