Transaction not yet indexed

21Su74hEyArkEN718fUMoA8MrHGeYQHtnCKVdnGjBHNTaA1DELJPJsjvGnHHB5rZGgc5L3wzKtXbcrdqgDreRbmN

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