Transaction not yet indexed

5S6rmFWQGV1eGoPgmk3uoaEYtFe5aBTKFXQhkDh15wNvpAFTo4X2f3HV15thAAnXbqCTPAk4RYqDDdyHrZ4PNot2

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