Transaction not yet indexed

5Xb21vRg7eS2ZDCcPNYr9vSrGFwGjy2PuFcHYSyY7nPsUXSMPwtN7mkFfhbMb3AsskXo6NwqwLiArqCRHENrMKTL

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