diff --git a/ap/announce-action.go b/ap/announce-action.go
index 2591896..adb1751 100644
--- a/ap/announce-action.go
+++ b/ap/announce-action.go
@@ -10,5 +10,5 @@ type AnnounceAction struct {
 	Actor   url.URL         `json:"actor"`              // Who is announcing something
 	To      []url.URL       `json:"to"`                 // Targets to share to
 	Cc      []url.URL       `json:"cc"`                 // More targets to send to
-	Object  url.URL         `json:"object"`             // Url to announced object
+	Object  any             `json:"object"`             // Url to announced object. Url or embedded object, usually a note or survey
 }
diff --git a/ap/create-action.go b/ap/create-action.go
index dfc3748..36f1730 100644
--- a/ap/create-action.go
+++ b/ap/create-action.go
@@ -15,4 +15,5 @@ type CreateAction struct {
 	Object    any             `json:"object"`             // Content of the action, is an AP object, like notes or questions (survey)
 	To        []url.URL       `json:"to"`                 // Array of url targets to deliver it to. With dms, oonly includes target accounts. Followers only goes to followers url of posting account
 	Cc        []url.URL       `json:"cc"`                 // More targets to deliver to?
+	Signature Signature       `json:"signature"`          // Signature of the message
 }
diff --git a/ap/delete-action.go b/ap/delete-action.go
index 978007e..c249d65 100644
--- a/ap/delete-action.go
+++ b/ap/delete-action.go
@@ -2,7 +2,6 @@ package ap
 
 import (
 	"net/url"
-	"time"
 )
 
 // When a message is deleted
@@ -11,6 +10,6 @@ type DeleteAction struct {
 	Id        url.URL         `json:"id"`                 // Location of this resource
 	Type      string          `json:"type"`               // Should always be "Delete"
 	Actor     url.URL         `json:"actor"`              // Account deleting something
-	Target    url.URL         `json:"object"`             // Account that the actor wants to follow
-	Published time.Time       `json:"published"`          // When this was done
+	Target    any             `json:"object"`             // What is being deleted, url or some object
+	Signature any             `json:"signature"`          // Probably useless
 }
diff --git a/ap/like-action.go b/ap/like-action.go
index ebfb569..d8e3b51 100644
--- a/ap/like-action.go
+++ b/ap/like-action.go
@@ -9,4 +9,9 @@ type LikeAction struct {
 	Type    string          `json:"type"`               // Should always be "Like"
 	Actor   url.URL         `json:"actor"`              // Who is liking something
 	Object  url.URL         `json:"object"`             // What is being liked
+
+	// Reaction data Misskey style
+	Content    *string `json:"content,omitempty"`           // Raw emote name
+	MkReaction *string `json:"_misskey_reaction,omitempty"` // Misskey version of content
+	Tag        []Emote `json:"tag,omitempty"`               // Emote in use
 }
diff --git a/ap/signature.go b/ap/signature.go
new file mode 100644
index 0000000..de4b821
--- /dev/null
+++ b/ap/signature.go
@@ -0,0 +1,13 @@
+package ap
+
+import (
+	"net/url"
+	"time"
+)
+
+type Signature struct {
+	Created time.Time `json:"created"`        // When this signature was created
+	Creator url.URL   `json:"creator"`        // What key was used to create it
+	Value   string    `json:"signatureValue"` // The signature itself
+	Type    string    `json:"type"`           // What algorithm was used
+}
diff --git a/ap/undo-action.go b/ap/undo-action.go
index 039f559..544509b 100644
--- a/ap/undo-action.go
+++ b/ap/undo-action.go
@@ -2,11 +2,11 @@ package ap
 
 import "net/url"
 
-// Undo == unfollow
+// Undoes one action
 type UndoAction struct {
 	Context *map[string]any `json:"@context,omitempty"` // Lots of something. Not included if action is embedded as object in another object
 	Id      url.URL         `json:"id"`                 // Location of this resource
 	Type    string          `json:"type"`               // Should always be "Undo"
 	Actor   url.URL         `json:"actor"`              // Account instanciating the follow request
-	Target  FollowAction    `json:"object"`             // Follow to undo
+	Target  any             `json:"object"`             // Action to undo, usually a like or follow
 }