Transaction not yet indexed

5X21MuDnNMJyyNssQYku4NgitTj5oAAf7LwMDPkWSMEfBdfkpD3r6jXWCgQXR475EJRSNMz4Yr8Rsb3qwx2TU2fJ

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