def get_entity_nodes_from_triplets(triplets):
        entity_nodes = []
        seen_ids = set()
        for triplet in triplets:  
            if hasattr(triplet, 'node1') and triplet.node1 and triplet.node1.id not in seen_ids:  
                entity_nodes.append({"id": str(triplet.node1.id)})  
                seen_ids.add(triplet.node1.id)  
            if hasattr(triplet, 'node2') and triplet.node2 and triplet.node2.id not in seen_ids:  
                entity_nodes.append({"id": str(triplet.node2.id)})  
                seen_ids.add(triplet.node2.id)

        return entity_nodes