Transaction not yet indexed

5b1zBskipiPi9Nb8cAmmDpD8dqD5nBT6jkaiNaG8Nt9utbRrt7CPVZ3DkjVGnUUJXv2pdCuURyapVLS5Z1sL2trr

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