diff --git a/app/src/main/java/com/example/tampopo_client/models/Activity.java b/app/src/main/java/com/example/tampopo_client/models/Activity.java
index fd54d94..f5432f2 100644
--- a/app/src/main/java/com/example/tampopo_client/models/Activity.java
+++ b/app/src/main/java/com/example/tampopo_client/models/Activity.java
@@ -1,13 +1,18 @@
 package com.example.tampopo_client.models;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonProperty;
 
+import java.util.Objects;
+
+@JsonIgnoreProperties(ignoreUnknown = true)
 public class Activity {
     private String userId;
     
     @JsonProperty("activity-id")
     private String activityId;
     
+    @JsonProperty("text")
     private String text;
     
     @JsonProperty("updated-time")
@@ -54,4 +59,19 @@
     public void setUpdateTime(String updateTime) {
         this.updateTime = updateTime;
     }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        Activity activity = (Activity) o;
+        return Objects.equals(activityId, activity.activityId) && 
+               Objects.equals(text, activity.text) && 
+               Objects.equals(updateTime, activity.updateTime);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(activityId, text, updateTime);
+    }
 }