Transaction not yet indexed

4Z2k8gKvnLKmwEAd5xEDwSBthgXGbpbimxZSUaTqa3yeh7WS8k5JSULDbPCNcJq4sm1HsirJeQLJYo41DBNbSDS6

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