int generation = Buffer.bytesToInt(dataBuffer, 6);
int expiration = Buffer.bytesToInt(dataBuffer, 10);
int fieldCount = Buffer.bytesToShort(dataBuffer, 18);
int opCount = Buffer.bytesToShort(dataBuffer, 20);
Key key = parseKey(fieldCount);
// Parse bins.
Map<String,Object> bins = null;
for (int i = 0 ; i < opCount; i++) {