public String getMemberId() {
        return this.memberId;
    }
<p>
The unique identifier of the member that owns the node.
</p>
<p>
Applies only to Hyperledger Fabric.
</p>

@return The unique identifier of the member that owns the node.</p>
        <p>
        Applies only to Hyperledger Fabric.
aws-java-sdk-managedblockchain/src/main/java/com/amazonaws/services/managedblockchain/model/UpdateNodeRequest.java