/// <inheritdoc/>
        public async override Task <string> RetrieveSerializedEntityState(EntityId entityId, JsonSerializerSettings serializerSettings)
        {
            var instanceId           = ProviderUtils.GetSchedulerIdFromEntityId(entityId);
            OrchestrationState state = await this.Service.GetOrchestrationStateAsync(instanceId, true, true);

            if (ProviderUtils.TryGetEntityStateFromSerializedSchedulerState(state, serializerSettings, out string result))
            {
                return(result);
            }
            else
            {
                return(null);
            }
        }