feat: close correctly the grdf payload

main.go

@@ -460,9 +460,12 @@ func main() {
 						if len(s[1]) > 0 {
 							payload, _ := base64.StdEncoding.DecodeString(s[1])
 							log.Debug(string(payload))
-							// payload = append(payload, []byte{125}...)
-							// log.Debug(string(payload))
+							// Check if the payload is well ended
+							if payload[len(payload)-1] != 125 {
+								payload = append(payload, []byte{125}...)
+							}
 							// Decode the payload from the token
+							if payload
 							var token GrdfConsentementToken
 							err := json.Unmarshal(payload, &token)
 							if err != nil {