Transaction not yet indexed

21Bu1Nce1eXHTKXaHZP2SeNwxw4wyjCUu8FRd6EwCygwb2CPykUEvmu8mZF8GPBRWy4t71V8sDJviPH8Z6vPhP53

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