long position = positionFor(fieldIndex);
if(VarInt.readVNull(data, position))
return false;
TypedFieldDefinition fieldDef = (TypedFieldDefinition) schema.getFieldDefinition(fieldIndex);
String subType = fieldDef.getSubType();
int ordinal = VarInt.readVInt(data, position);
return stateEngine.positionHollowObject(subType, ordinal, objectToPosition);
}