Revert "."

This reverts commit 4b25a225.

go/neo/proto/zproto-marshal.go

@@ -5339,9 +5339,15 @@ func (p *GetObject) neoMsgEncodedLenM() int {
 
 func (p *GetObject) neoMsgEncodeM(data []byte) {
 	data[0] = byte(msgpack.FixArray_4 | 3)
-	msgpack.PutUint64(data[1:], uint64(p.Oid))
-	msgpack.PutUint64(data[10:], uint64(p.At))
-	msgpack.PutUint64(data[19:], uint64(p.Before))
+	data[1] = byte(msgpack.Bin8)
+	data[2] = 8
+	binary.BigEndian.PutUint64(data[3:], uint64(p.Oid))
+	data[11] = byte(msgpack.Bin8)
+	data[12] = 8
+	binary.BigEndian.PutUint64(data[13:], uint64(p.At))
+	data[21] = byte(msgpack.Bin8)
+	data[22] = 8
+	binary.BigEndian.PutUint64(data[23:], uint64(p.Before))
 }
 
 func (p *GetObject) neoMsgDecodeM(data []byte) (int, error) {