diff --git a/src/main/java/org/ntlab/nemophila/entities/PostJson.java b/src/main/java/org/ntlab/nemophila/entities/PostJson.java
new file mode 100644
index 0000000..cc27ff4
--- /dev/null
+++ b/src/main/java/org/ntlab/nemophila/entities/PostJson.java
@@ -0,0 +1,16 @@
+package org.ntlab.nemophila.entities;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+
+public class PostJson {
+    @JsonProperty("uid")
+    private String uid;
+    @JsonProperty("pid")
+    private String pid;
+
+    public PostJson(String uid, String pid){
+        this.uid = uid;
+        this.pid = pid;
+    }
+
+}