Transaction not yet indexed

5j21zRTBRwt4bVLP1cu4Du7h4M5EWSZQKHi2eCVtwcitU2op3R8Nu2ReRLVXPkiNu5xFUWCBfMo5ktz3rcgb3TUm

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