public int WriteTo(byte[] buffer, int offset)
{
var dataOffset = offset + MsgSerializer.HeaderLength;
var written = 0;
written += MsgSerializer.WriteUInt32Array(Frames, buffer, dataOffset);
written += MsgSerializer.WriteInt32Array(Hashes, buffer, dataOffset + written);
written += MsgSerializer.WriteHeader(written, MsgId, buffer, offset);
return(written);
}