Transaction not yet indexed

n21zyq3jaRERoAEMq3fSf9WCKq7hJsGpWkoEfs1XEhAh7DCiPcQXLVptHHwqg4F9crVMTCVyVSRV4G3rCm5v2ME

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