diff --git a/token/invocation/examples_test.go b/token/invocation/examples_test.go
index ce1743f..1f2e713 100644
--- a/token/invocation/examples_test.go
+++ b/token/invocation/examples_test.go
@@ -135,6 +135,8 @@ func prettyDAGJSON(data []byte) (string, error) {
 		return "", err
 	}
 
+	fmt.Println(string(jsonData))
+
 	var out bytes.Buffer
 	if err := json.Indent(&out, jsonData, "", "  "); err != nil {
 		return "", err
diff --git a/token/invocation/invocation.go b/token/invocation/invocation.go
index ff6275f..0a44285 100644
--- a/token/invocation/invocation.go
+++ b/token/invocation/invocation.go
@@ -65,20 +65,14 @@ type Token struct {
 // the previous contents of their target field.
 func New(iss, sub did.DID, cmd command.Command, prf []cid.Cid, opts ...Option) (*Token, error) {
 	iat := time.Now()
-	metadata := meta.NewMeta()
 
 	tkn := Token{
 		issuer:    iss,
 		subject:   sub,
 		command:   cmd,
 		proof:     prf,
-<<<<<<< HEAD
 		meta:      meta.NewMeta(),
 		nonce:     nil,
-=======
-		meta:      metadata,
-		nonce:     nonce,
->>>>>>> f44cf8a (feat(invocation): produce example output similar to spec)
 		invokedAt: &iat,
 	}
 
@@ -88,7 +82,6 @@ func New(iss, sub did.DID, cmd command.Command, prf []cid.Cid, opts ...Option) (
 		}
 	}
 
-<<<<<<< HEAD
 	if len(tkn.nonce) == 0 {
 		tkn.nonce, err = generateNonce()
 		if err != nil {
@@ -98,10 +91,6 @@ func New(iss, sub did.DID, cmd command.Command, prf []cid.Cid, opts ...Option) (
 
 	if err := tkn.validate(); err != nil {
 		return nil, err
-=======
-	if len(tkn.meta.Keys) == 0 {
-		tkn.meta = nil
->>>>>>> f44cf8a (feat(invocation): produce example output similar to spec)
 	}
 
 	return &tkn, nil
@@ -240,3 +229,29 @@ func generateNonce() ([]byte, error) {
 	}
 	return res, nil
 }
+
+func parseOptionalCID(c *cid.Cid) (*cid.Cid, error) {
+	if c == nil {
+		return nil, nil
+	}
+
+	return c, nil
+}
+
+func parseOptionalDID(s *string) (did.DID, error) {
+	if s == nil {
+		return did.Undef, nil
+	}
+
+	return did.Parse(*s)
+}
+
+func parseOptionalTimestamp(sec *int64) (*time.Time, error) {
+	if sec == nil {
+		return nil, nil
+	}
+
+	t := time.Unix(*sec, 0)
+
+	return &t, nil
+}
diff --git a/token/invocation/options.go b/token/invocation/options.go
index fc6ca34..f2f870a 100644
--- a/token/invocation/options.go
+++ b/token/invocation/options.go
@@ -130,15 +130,6 @@ func WithoutInvokedAt() Option {
 	}
 }
 
-// WithoutInvokedAt clears the Token's invokedAt field.
-func WithoutInvokedAt() Option {
-	return func(t *Token) error {
-		t.invokedAt = nil
-
-		return nil
-	}
-}
-
 // WithCause sets the Token's cause field to the provided cid.Cid.
 func WithCause(cause *cid.Cid) Option {
 	return func(t *Token) error {