Transaction not yet indexed

21u4m6Hj53AnRgo9KvMsgAHTbbrDtn99nFwXGtMMT1FJU9VBbictCbQ1xMz6QvqGpAqBFpx5fHT8UECwmA3Gfa15

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