Transaction not yet indexed

21M4jPuqwg3JaR1SKYaf9kfykSdfMefSafuZwoDwFNdg1cxWVCF7aUgM72kPc6irSW6WGPSUq8hfpqfv591To44U

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