Transaction not yet indexed

Rcu4TNYmGUNdkUFwWsZ59eaccDVyF8iZSUSg4bS5c5AgtyKweVpSSk58cmaSuq4digHmPPaUk2S3g5MJ5wVMpi5

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.