String objectId = new String(payload.readTraciString());
int count = payload.readUnsignedByte();
HashMap<Integer, Object> values = new HashMap<Integer, Object>();
for (int i = 0; i < count; i++) {
int id = payload.readUnsignedByte(); // value id
int status = payload.readUnsignedByte();
if (status == 0x00) {
// value could be retrieved without an error
int type = payload.readUnsignedByte();
if (type == TraciConstants.DATATYPE_INT)
values.put(id, payload.readInt());