cannot log jwt.Claims

[ORESoftware]

the call was:

	token := jwt.New(jwt.GetSigningMethod("RS256"))
	claims := token.Claims.(jwt.MapClaims)
	claims["user_id"] = user.ID
	claims["exp"] = expiryDate
	jlog.DefaultLogger.Info("Cliams 1: ",token.Claims)

the result was:

20:08:24.51178 INFO app:Default 'Cliams 1: ' [2020-03-11T13:08:24.511-07:00] [API] [panic-handler.go:68] [ERROR] Caught error in defer/recover middleware:  strconv: illegal AppendInt/FormatInt base
[2020-03-11T13:08:24.512-07:00] [API] [panic-handler.go:69] [ERROR] Caught error in defer/recover middleware:  strconv: illegal AppendInt/FormatInt base
[2020-03-11T13:08:24.512-07:00] [API] [panic-handler.go:74] [ERROR] To see full stack trace use debug.PrintStack()
        /home/oleg/go/src/github.com/channelmeter/cp-go-api/v1/middleware/panic-handler.go:75 +0x24a
        /home/oleg/go/src/github.com/channelmeter/cp-go-api/v1/routes/login/handlers.go:172 +0x67c
        /home/oleg/go/src/github.com/channelmeter/cp-go-api/cp_api.go:120 +0xdd
        /home/oleg/go/src/github.com/channelmeter/cp-go-api/v1/middleware/log-json-body.go:59 +0xb38
        /home/oleg/go/src/github.com/channelmeter/cp-go-api/v1/middleware/tracing.go:56 +0x105
        /home/oleg/go/src/github.com/channelmeter/cp-go-api/v1/middleware/panic-handler.go:147 +0x7e