Transaction not yet indexed

21fmcouYUWbASiwfbsPtYRn5SP2cGTVPgWJSqCidR68MAwkidQwbRGUxh9YyMaUg6ajzR9uDdkRKH1hFKoHYJVv5

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