Transaction not yet indexed

21LFc31SnTi4XJKk76wFTWVB1LfSAKvJqSLKPF41ofbmyEux6vTmUCb1MmiEm8mehR3yACEx2pCZBo6Vm4j6bSbt

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