diff --git a/quartz/src/jvmAndroidTest/kotlin/com/vitorpamplona/quartz/nip01Core/jackson/JacksonMapperTest.kt b/quartz/src/jvmAndroidTest/kotlin/com/vitorpamplona/quartz/nip01Core/jackson/JacksonMapperTest.kt
index c454fc648..e9cf90625 100644
--- a/quartz/src/jvmAndroidTest/kotlin/com/vitorpamplona/quartz/nip01Core/jackson/JacksonMapperTest.kt
+++ b/quartz/src/jvmAndroidTest/kotlin/com/vitorpamplona/quartz/nip01Core/jackson/JacksonMapperTest.kt
@@ -20,28 +20,60 @@
  */
 package com.vitorpamplona.quartz.nip01Core.jackson
 
+import com.vitorpamplona.quartz.nip01Core.core.Event
+import com.vitorpamplona.quartz.nip01Core.signers.EventTemplate
+import com.vitorpamplona.quartz.nip51Lists.followList.FollowListEvent
+import com.vitorpamplona.quartz.nip59Giftwrap.rumors.Rumor
 import kotlin.test.Test
 import kotlin.test.assertContentEquals
 import kotlin.test.assertEquals
 
 class JacksonMapperTest {
+    val tags =
+        arrayOf(
+            arrayOf("title", "Retro Computer Fans"),
+            arrayOf("d", "xmbspe8rddsq"),
+            arrayOf("image", "https://blog.johnnovak.net/2022/04/15/achieving-period-correct-graphics-in-personal-computer-emulators-part-1-the-amiga/img/dream-setup.jpg"),
+            arrayOf("p", "3c39a7b53dec9ac85acf08b267637a9841e6df7b7b0f5e2ac56a8cf107de37da"),
+            arrayOf("p", "9a9a4aa0e43e57873380ab22e8a3df12f3c4cf5bb3a804c6e3fed0069a6e2740"),
+            arrayOf("p", "4f5dd82517b11088ce00f23d99f06fe8f3e2e45ecf47bc9c2f90f34d5c6f7382"),
+            arrayOf("p", "ac92102a2ecb873c488e0125354ef5a97075a16198668c360eda050007ed42cd"),
+            arrayOf("p", "47f54409a4620eb35208a3bc1b53555bf3d0656b246bf0471a93208e20672f6f"),
+            arrayOf("p", "2624911545afb7a2b440cf10f5c69308afa33aae26fca664d8c94623dc0f1baf"),
+            arrayOf("p", "6641f26f5c59f7010dbe3e42e4593398e27c087497cb7d20e0e7633a17e48a94"),
+            arrayOf("description", "Retro computer fans and enthusiasts "),
+        )
+
+    val followCard =
+        FollowListEvent(
+            id = "eca31634fce7c9068b56fa8db9f387da70bdcceb3986a77ca1a9844f3128eb5f",
+            pubKey = "3c39a7b53dec9ac85acf08b267637a9841e6df7b7b0f5e2ac56a8cf107de37da",
+            createdAt = 1761736286,
+            tags = tags,
+            content = "",
+            sig = "3aa388edafad151e81cb0228fe04e115dbbcaa851c666bfe3c8740b6cd99575f0fc3ba2d47acda86f7626564a05e9dbc05ef452a7bd0ac00f828dbad0e1bae6c",
+        )
+
+    val followCardRumor =
+        Rumor(
+            id = followCard.id,
+            pubKey = followCard.pubKey,
+            createdAt = followCard.createdAt,
+            kind = followCard.kind,
+            tags = followCard.tags,
+            content = followCard.content,
+        )
+
+    val followCardTemplate =
+        EventTemplate<Event>(
+            createdAt = followCard.createdAt,
+            kind = followCard.kind,
+            tags = followCard.tags,
+            content = followCard.content,
+        )
+
     @Test
     fun serializeTagArray() {
-        val tags =
-            arrayOf(
-                arrayOf("title", "Retro Computer Fans"),
-                arrayOf("d", "xmbspe8rddsq"),
-                arrayOf("image", "https://blog.johnnovak.net/2022/04/15/achieving-period-correct-graphics-in-personal-computer-emulators-part-1-the-amiga/img/dream-setup.jpg"),
-                arrayOf("p", "3c39a7b53dec9ac85acf08b267637a9841e6df7b7b0f5e2ac56a8cf107de37da"),
-                arrayOf("p", "9a9a4aa0e43e57873380ab22e8a3df12f3c4cf5bb3a804c6e3fed0069a6e2740"),
-                arrayOf("p", "4f5dd82517b11088ce00f23d99f06fe8f3e2e45ecf47bc9c2f90f34d5c6f7382"),
-                arrayOf("p", "ac92102a2ecb873c488e0125354ef5a97075a16198668c360eda050007ed42cd"),
-                arrayOf("p", "47f54409a4620eb35208a3bc1b53555bf3d0656b246bf0471a93208e20672f6f"),
-                arrayOf("p", "2624911545afb7a2b440cf10f5c69308afa33aae26fca664d8c94623dc0f1baf"),
-                arrayOf("p", "6641f26f5c59f7010dbe3e42e4593398e27c087497cb7d20e0e7633a17e48a94"),
-                arrayOf("description", "Retro computer fans and enthusiasts "),
-            )
-
         val serialized = JacksonMapper.toJson(tags)
 
         assertEquals(
@@ -55,4 +87,69 @@ class JacksonMapperTest {
             assertContentEquals(tag, deserialized[index])
         }
     }
+
+    @Test
+    fun serializeEvent() {
+        val serialized = JacksonMapper.toJson(followCard)
+
+        assertEquals(
+            "{\"id\":\"eca31634fce7c9068b56fa8db9f387da70bdcceb3986a77ca1a9844f3128eb5f\",\"pubkey\":\"3c39a7b53dec9ac85acf08b267637a9841e6df7b7b0f5e2ac56a8cf107de37da\",\"created_at\":1761736286,\"kind\":39089,\"tags\":[[\"title\",\"Retro Computer Fans\"],[\"d\",\"xmbspe8rddsq\"],[\"image\",\"https://blog.johnnovak.net/2022/04/15/achieving-period-correct-graphics-in-personal-computer-emulators-part-1-the-amiga/img/dream-setup.jpg\"],[\"p\",\"3c39a7b53dec9ac85acf08b267637a9841e6df7b7b0f5e2ac56a8cf107de37da\"],[\"p\",\"9a9a4aa0e43e57873380ab22e8a3df12f3c4cf5bb3a804c6e3fed0069a6e2740\"],[\"p\",\"4f5dd82517b11088ce00f23d99f06fe8f3e2e45ecf47bc9c2f90f34d5c6f7382\"],[\"p\",\"ac92102a2ecb873c488e0125354ef5a97075a16198668c360eda050007ed42cd\"],[\"p\",\"47f54409a4620eb35208a3bc1b53555bf3d0656b246bf0471a93208e20672f6f\"],[\"p\",\"2624911545afb7a2b440cf10f5c69308afa33aae26fca664d8c94623dc0f1baf\"],[\"p\",\"6641f26f5c59f7010dbe3e42e4593398e27c087497cb7d20e0e7633a17e48a94\"],[\"description\",\"Retro computer fans and enthusiasts \"]],\"content\":\"\",\"sig\":\"3aa388edafad151e81cb0228fe04e115dbbcaa851c666bfe3c8740b6cd99575f0fc3ba2d47acda86f7626564a05e9dbc05ef452a7bd0ac00f828dbad0e1bae6c\"}",
+            serialized,
+        )
+
+        val deserialized = JacksonMapper.fromJson(serialized)
+
+        assertEquals(followCard.id, deserialized.id)
+        assertEquals(followCard.kind, deserialized.kind)
+        assertEquals(followCard.createdAt, deserialized.createdAt)
+        assertEquals(followCard.pubKey, deserialized.pubKey)
+        assertEquals(followCard.content, deserialized.content)
+        assertEquals(followCard.sig, deserialized.sig)
+
+        tags.forEachIndexed { index, tag ->
+            assertContentEquals(tag, deserialized.tags[index])
+        }
+    }
+
+    @Test
+    fun serializeRumor() {
+        val serialized = JacksonMapper.toJson(followCardRumor)
+
+        assertEquals(
+            "{\"id\":\"eca31634fce7c9068b56fa8db9f387da70bdcceb3986a77ca1a9844f3128eb5f\",\"pubkey\":\"3c39a7b53dec9ac85acf08b267637a9841e6df7b7b0f5e2ac56a8cf107de37da\",\"created_at\":1761736286,\"kind\":39089,\"tags\":[[\"title\",\"Retro Computer Fans\"],[\"d\",\"xmbspe8rddsq\"],[\"image\",\"https://blog.johnnovak.net/2022/04/15/achieving-period-correct-graphics-in-personal-computer-emulators-part-1-the-amiga/img/dream-setup.jpg\"],[\"p\",\"3c39a7b53dec9ac85acf08b267637a9841e6df7b7b0f5e2ac56a8cf107de37da\"],[\"p\",\"9a9a4aa0e43e57873380ab22e8a3df12f3c4cf5bb3a804c6e3fed0069a6e2740\"],[\"p\",\"4f5dd82517b11088ce00f23d99f06fe8f3e2e45ecf47bc9c2f90f34d5c6f7382\"],[\"p\",\"ac92102a2ecb873c488e0125354ef5a97075a16198668c360eda050007ed42cd\"],[\"p\",\"47f54409a4620eb35208a3bc1b53555bf3d0656b246bf0471a93208e20672f6f\"],[\"p\",\"2624911545afb7a2b440cf10f5c69308afa33aae26fca664d8c94623dc0f1baf\"],[\"p\",\"6641f26f5c59f7010dbe3e42e4593398e27c087497cb7d20e0e7633a17e48a94\"],[\"description\",\"Retro computer fans and enthusiasts \"]],\"content\":\"\"}",
+            serialized,
+        )
+
+        val deserialized = JacksonMapper.fromJson(serialized)
+
+        assertEquals(followCardRumor.id, deserialized.id)
+        assertEquals(followCardRumor.kind, deserialized.kind)
+        assertEquals(followCardRumor.createdAt, deserialized.createdAt)
+        assertEquals(followCardRumor.pubKey, deserialized.pubKey)
+        assertEquals(followCardRumor.content, deserialized.content)
+
+        tags.forEachIndexed { index, tag ->
+            assertContentEquals(tag, deserialized.tags[index])
+        }
+    }
+
+    @Test
+    fun serializeTemplate() {
+        val serialized = JacksonMapper.toJson(followCardTemplate)
+
+        assertEquals(
+            "{\"created_at\":1761736286,\"kind\":39089,\"tags\":[[\"title\",\"Retro Computer Fans\"],[\"d\",\"xmbspe8rddsq\"],[\"image\",\"https://blog.johnnovak.net/2022/04/15/achieving-period-correct-graphics-in-personal-computer-emulators-part-1-the-amiga/img/dream-setup.jpg\"],[\"p\",\"3c39a7b53dec9ac85acf08b267637a9841e6df7b7b0f5e2ac56a8cf107de37da\"],[\"p\",\"9a9a4aa0e43e57873380ab22e8a3df12f3c4cf5bb3a804c6e3fed0069a6e2740\"],[\"p\",\"4f5dd82517b11088ce00f23d99f06fe8f3e2e45ecf47bc9c2f90f34d5c6f7382\"],[\"p\",\"ac92102a2ecb873c488e0125354ef5a97075a16198668c360eda050007ed42cd\"],[\"p\",\"47f54409a4620eb35208a3bc1b53555bf3d0656b246bf0471a93208e20672f6f\"],[\"p\",\"2624911545afb7a2b440cf10f5c69308afa33aae26fca664d8c94623dc0f1baf\"],[\"p\",\"6641f26f5c59f7010dbe3e42e4593398e27c087497cb7d20e0e7633a17e48a94\"],[\"description\",\"Retro computer fans and enthusiasts \"]],\"content\":\"\"}",
+            serialized,
+        )
+
+        val deserialized = JacksonMapper.fromJson(serialized)
+
+        assertEquals(followCardTemplate.kind, deserialized.kind)
+        assertEquals(followCardTemplate.createdAt, deserialized.createdAt)
+        assertEquals(followCardTemplate.content, deserialized.content)
+
+        tags.forEachIndexed { index, tag ->
+            assertContentEquals(tag, deserialized.tags[index])
+        }
+    }
 }