Transaction not yet indexed

5B21FFZBgzDfNKPS11NG99qiDFE7FndDb4ngVsLPwEG2d4aU285e2utnf32nCxPRYpHmZ6z3PbGvC9muZn8JScj1

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