NuGet v3 proxy fails to work with HA-C

Nuget v3 proxy fails to work with Nexus HA-C with 500 response being returned when index.json is requested. The below warning is logged. I was able to reproduce the same locally with latest Nexus HA version 3.24.0 

2020-06-15 15:34:46,185+0800 INFO  [qtp274135518-5903]  admin org.sonatype.nexus.repository.httpclient.internal.HttpClientFacetImpl - Repository status for nuget-api-proxy changed from READY to AVAILABLE - reason n/a for n/a

2020-06-15 15:34:46,211+0800 WARN  [qtp274135518-5903]  admin org.sonatype.nexus.repository.httpbridge.internal.ViewServlet - Failure servicing: GET /repository/nuget-api-proxy/index.json

com.hazelcast.nio.serialization.HazelcastSerializationException: Failed to serialize 'com.sonatype.nexus.repository.nuget.v3.models.ServiceIndex'

 at com.hazelcast.internal.serialization.impl.SerializationUtil.handleSerializeException(SerializationUtil.java:75)

 at com.hazelcast.internal.serialization.impl.AbstractSerializationService.toBytes(AbstractSerializationService.java:157)

 at com.hazelcast.internal.serialization.impl.AbstractSerializationService.toBytes(AbstractSerializationService.java:133)

 at com.hazelcast.internal.serialization.impl.AbstractSerializationService.toData(AbstractSerializationService.java:118)

 at com.hazelcast.internal.serialization.impl.AbstractSerializationService.toData(AbstractSerializationService.java:106)

 at com.hazelcast.cache.impl.AbstractInternalCacheProxy.putAsyncInternal(AbstractInternalCacheProxy.java:251)

 at com.hazelcast.cache.impl.AbstractCacheProxy.put(AbstractCacheProxy.java:198)

 at com.hazelcast.cache.impl.CacheProxy.put(CacheProxy.java:80)

 at com.hazelcast.cache.impl.CacheProxy.put(CacheProxy.java:138)

 at com.sonatype.nexus.repository.nuget.internal.v3.NugetServicesCache.cacheServiceIndex(NugetServicesCache.java:53)

 at com.sonatype.nexus.repository.nuget.internal.v3.NugetV3ProxyFacet.storeServiceIndex(NugetV3ProxyFacet.java:151)

 at com.sonatype.nexus.repository.nuget.internal.v3.NugetV3FacetSupport.storeItem(NugetV3FacetSupport.java:97)

 at com.sonatype.nexus.repository.nuget.internal.proxy.NugetProxyFacet.store(NugetProxyFacet.java:54)

 at org.sonatype.nexus.repository.proxy.ProxyFacetSupport.doGet(ProxyFacetSupport.java:271)

 at org.sonatype.nexus.repository.proxy.ProxyFacetSupport.lambda$1(ProxyFacetSupport.java:245)

 at org.sonatype.nexus.common.io.CooperatingFuture.performCall(CooperatingFuture.java:122)

 at com.sonatype.nexus.hazelcast.internal.io.DistributedCooperatingFuture.performCall(DistributedCooperatingFuture.java:50)

 at org.sonatype.nexus.common.io.CooperatingFuture.call(CooperatingFuture.java:64)

 at org.sonatype.nexus.common.io.ScopedCooperationFactorySupport$ScopedCooperation.cooperate(ScopedCooperationFactorySupport.java:99)

...

Caused by: com.hazelcast.nio.serialization.HazelcastSerializationException: There is no suitable serializer for class com.sonatype.nexus.repository.nuget.v3.models.ServiceIndex

 at com.hazelcast.internal.serialization.impl.AbstractSerializationService.serializerFor(AbstractSerializationService.java:487)

 at com.hazelcast.internal.serialization.impl.AbstractSerializationService.toBytes(AbstractSerializationService.java:146)