@Override
  public void fromData(DataInput in,
      DeserializationContext context) throws IOException, ClassNotFoundException {
    host = DataSerializer.readString(in);
    port = DataSerializer.readPrimitiveInt(in);
    ssl = DataSerializer.readPrimitiveBoolean(in);
    ex = context.getDeserializer().readObject(in);
  }
Sent to a locator to request it to find (and possibly start) a jmx manager for us. It returns a
JmxManagerLocatorResponse.

@since GemFire 7.0
geode-core/src/main/java/org/apache/geode/management/internal/JmxManagerLocatorResponse.java