Transaction not yet indexed

21TcRM75nA4BzCQ6K2X1o7ehrhmznEWWJuopxN4FdDteFiz2p9PpNAdhPh1hHFwH2ZXBqog1tvZuYjkvBPz7uthn

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