Transaction not yet indexed

21S5qPVNMGuxUmBCKBGacEfJFfaRBCjbqTpJKFgD7Nt5pwk9k8rR6A5HyjsndJ5hVMcrFi6MjeWR1csdrAC1556S

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