Transaction not yet indexed

4zk2pAEf7RtVaLb2RfjSvqdgVBeXBbC8isen7sEBWjVmLhsSou42xNRC2rYn2fS2E66WhowjbQhhPVzGGPaR2p5u

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