public void init(byte[] v, byte tc) {
    if (tc == EMPTY_BYTEARRAY_CODE) {
      part = EMPTY_BYTE_ARRAY;
    } else {
      part = v;
    }
    typeCode = tc;
  }
Is the payload (<code>part</code>) a serialized object?
geode-core/src/main/java/org/apache/geode/internal/cache/tier/sockets/Part.java