Transaction not yet indexed

Y21xffQWgYMASAfwYvCjiLVDTAvuid4JK1Jh5mM2kmdTz6cF8LvPUHa4eGUm5UeHViVNAQ69FNS58Qf8o3CKAgf

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