Transaction not yet indexed

21U6zr5puFpPkWAm2muKUY6fNkwCgs8L8piFRQPGLcJSuLLzjaX1K6NgDqVJ8rndBQfcctUFTHa1LGrSfHRDEQTR

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