как решить эту проблему, даже если я делаю то же самое, что и в образцах github.
net.corda.core.internal.TransactionDeserialisationException: Failed to deserialise group OUTPUTS_GROUP at index 0 in transaction: net.corda.core.contracts.TransactionState (erased) -> data(net.corda.core.contracts.ContractState) -> com.heartbeat.HeartState: Requested interfaces must consist only of methods that start with 'get': net.corda.core.contracts.SchedulableState.nextScheduledActivity