Transaction not yet indexed

21Rb7Ertxg79jS9frmX29mzSixfyMsF97AqzUaHjCG6WCw5HYBTPXq8hdDGyDTS16EhbznGtDECDKLCu4j3fhrw6

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