diff --git a/backend/src/main/java/edu/internet2/tier/shibboleth/admin/ui/domain/EntityAttributesFilter.java b/backend/src/main/java/edu/internet2/tier/shibboleth/admin/ui/domain/EntityAttributesFilter.java
index af9f3f22a..d2c80bbe5 100644
--- a/backend/src/main/java/edu/internet2/tier/shibboleth/admin/ui/domain/EntityAttributesFilter.java
+++ b/backend/src/main/java/edu/internet2/tier/shibboleth/admin/ui/domain/EntityAttributesFilter.java
@@ -1,5 +1,6 @@
 package edu.internet2.tier.shibboleth.admin.ui.domain;
 
+import com.fasterxml.jackson.annotation.JsonIgnore;
 import edu.internet2.tier.shibboleth.admin.ui.domain.filters.MetadataFilter;
 import lombok.EqualsAndHashCode;
 
@@ -19,6 +20,7 @@ public class EntityAttributesFilter extends MetadataFilter {
 
     @OneToMany(cascade = CascadeType.ALL)
     @OrderColumn
+    @JsonIgnore
     private List<Attribute> attributes = new ArrayList<>();
 
     public EntityAttributesFilterTarget getEntityAttributesFilterTarget() {
diff --git a/backend/src/main/java/edu/internet2/tier/shibboleth/admin/ui/domain/filters/MetadataFilter.java b/backend/src/main/java/edu/internet2/tier/shibboleth/admin/ui/domain/filters/MetadataFilter.java
index fbe320a36..e36aa3777 100644
--- a/backend/src/main/java/edu/internet2/tier/shibboleth/admin/ui/domain/filters/MetadataFilter.java
+++ b/backend/src/main/java/edu/internet2/tier/shibboleth/admin/ui/domain/filters/MetadataFilter.java
@@ -3,6 +3,7 @@
 import com.fasterxml.jackson.annotation.JsonSubTypes;
 import com.fasterxml.jackson.annotation.JsonTypeInfo;
 import edu.internet2.tier.shibboleth.admin.ui.domain.AbstractAuditable;
+import edu.internet2.tier.shibboleth.admin.ui.domain.EntityAttributesFilter;
 import lombok.EqualsAndHashCode;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
@@ -27,7 +28,8 @@
 @Setter
 @ToString
 @JsonTypeInfo(use = JsonTypeInfo.Id.NAME, property = "type")
-@JsonSubTypes({@JsonSubTypes.Type(value=EntityRoleWhiteListFilter.class, name="EntityRoleWhiteList")})
+@JsonSubTypes({@JsonSubTypes.Type(value=EntityRoleWhiteListFilter.class, name="EntityRoleWhiteList"),
+        @JsonSubTypes.Type(value=EntityAttributesFilter.class, name="EntityAttributesFilter")})
 public class MetadataFilter extends AbstractAuditable {
 
     private String name;
diff --git a/backend/src/main/java/edu/internet2/tier/shibboleth/admin/util/AttributeUtility.java b/backend/src/main/java/edu/internet2/tier/shibboleth/admin/util/AttributeUtility.java
index e3238b36a..0849bfb42 100644
--- a/backend/src/main/java/edu/internet2/tier/shibboleth/admin/util/AttributeUtility.java
+++ b/backend/src/main/java/edu/internet2/tier/shibboleth/admin/util/AttributeUtility.java
@@ -18,6 +18,10 @@ public class AttributeUtility {
     @Autowired
     private OpenSamlObjects openSamlObjects;
 
+    public void setOpenSamlObjects(OpenSamlObjects openSamlObjects) {
+        this.openSamlObjects = openSamlObjects;
+    }
+
     public edu.internet2.tier.shibboleth.admin.ui.domain.Attribute createAttributeWithBooleanValue(String name, String friendlyName, Boolean value) {
         edu.internet2.tier.shibboleth.admin.ui.domain.Attribute attribute = ((edu.internet2.tier.shibboleth.admin.ui.domain.AttributeBuilder) openSamlObjects.getBuilderFactory().getBuilder(edu.internet2.tier.shibboleth.admin.ui.domain.Attribute.DEFAULT_ELEMENT_NAME)).buildObject();
         attribute.setName(name);
diff --git a/backend/src/test/groovy/edu/internet2/tier/shibboleth/admin/ui/controller/FilterControllerTests.groovy b/backend/src/test/groovy/edu/internet2/tier/shibboleth/admin/ui/controller/EntityAttributesFilterControllerTests.groovy
similarity index 99%
rename from backend/src/test/groovy/edu/internet2/tier/shibboleth/admin/ui/controller/FilterControllerTests.groovy
rename to backend/src/test/groovy/edu/internet2/tier/shibboleth/admin/ui/controller/EntityAttributesFilterControllerTests.groovy
index eeba94020..65715a7eb 100644
--- a/backend/src/test/groovy/edu/internet2/tier/shibboleth/admin/ui/controller/FilterControllerTests.groovy
+++ b/backend/src/test/groovy/edu/internet2/tier/shibboleth/admin/ui/controller/EntityAttributesFilterControllerTests.groovy
@@ -36,7 +36,7 @@ import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.
 @ContextConfiguration(classes=[CoreShibUiConfiguration, SearchConfiguration, MetadataResolverConfiguration])
 @EnableJpaRepositories(basePackages = ["edu.internet2.tier.shibboleth.admin.ui"])
 @EntityScan("edu.internet2.tier.shibboleth.admin.ui")
-class FilterControllerTests extends Specification {
+class EntityAttributesFilterControllerTests extends Specification {
 
     @Autowired
     AttributeUtility attributeUtility
diff --git a/backend/src/test/groovy/edu/internet2/tier/shibboleth/admin/ui/domain/PolymorphicFiltersJacksonHandlingTests.groovy b/backend/src/test/groovy/edu/internet2/tier/shibboleth/admin/ui/domain/PolymorphicFiltersJacksonHandlingTests.groovy
index 78dcf6650..d9117396a 100644
--- a/backend/src/test/groovy/edu/internet2/tier/shibboleth/admin/ui/domain/PolymorphicFiltersJacksonHandlingTests.groovy
+++ b/backend/src/test/groovy/edu/internet2/tier/shibboleth/admin/ui/domain/PolymorphicFiltersJacksonHandlingTests.groovy
@@ -5,16 +5,29 @@ import com.fasterxml.jackson.databind.SerializationFeature
 
 import edu.internet2.tier.shibboleth.admin.ui.domain.filters.EntityRoleWhiteListFilter
 import edu.internet2.tier.shibboleth.admin.ui.domain.filters.MetadataFilter
-
+import edu.internet2.tier.shibboleth.admin.ui.opensaml.OpenSamlObjects
+import edu.internet2.tier.shibboleth.admin.util.AttributeUtility
 import spock.lang.Specification
 
+import static edu.internet2.tier.shibboleth.admin.ui.domain.EntityAttributesFilterTarget.EntityAttributesFilterTargetType.ENTITY
+
 class PolymorphicFiltersJacksonHandlingTests extends Specification {
 
     ObjectMapper mapper
 
+    AttributeUtility attributeUtility
+
     def setup() {
         mapper = new ObjectMapper()
-        mapper.enable(SerializationFeature.INDENT_OUTPUT);
+        mapper.enable(SerializationFeature.INDENT_OUTPUT)
+
+        attributeUtility = new AttributeUtility().with {
+            it.openSamlObjects = new OpenSamlObjects().with {
+                it.init()
+                it
+            }
+            it
+        }
     }
 
     def "Correct polymorphic serialization of EntityRoleWhiteListFilter"() {
@@ -39,7 +52,9 @@ class PolymorphicFiltersJacksonHandlingTests extends Specification {
 
         when:
         def deSerializedFilter = mapper.readValue(givenFilterJson, MetadataFilter)
-        def roundTripFilter = mapper.readValue(mapper.writeValueAsString(deSerializedFilter), MetadataFilter)
+        def json = mapper.writeValueAsString(deSerializedFilter)
+        println(json)
+        def roundTripFilter = mapper.readValue(json, MetadataFilter)
 
 
         then:
@@ -49,4 +64,26 @@ class PolymorphicFiltersJacksonHandlingTests extends Specification {
         deSerializedFilter instanceof EntityRoleWhiteListFilter
         roundTripFilter instanceof EntityRoleWhiteListFilter
     }
+
+    def "Correct polymorphic serialization of EntityAttributesFilter"() {
+        given:
+        def filter = new EntityAttributesFilter().with {
+            it.name = 'EntityAttributesFilter'
+            it.entityAttributesFilterTarget = new EntityAttributesFilterTarget().with {
+                it.entityAttributesFilterTargetType = ENTITY
+                it.value = ['value1']
+                it
+            }
+            it.attributes = [attributeUtility.createAttributeWithBooleanValue('myattr', 'myattrFriendy', true)]
+            it
+        }
+
+        when:
+        def json = mapper.writeValueAsString(filter)
+        println(json)
+
+        then:
+        json
+
+    }
 }