Transaction not yet indexed

5b6MTmQ2pmyigq9AXHzCdfdJ51CPFph1VP6szRfWcRnrv1aNArxGw9gXiAL8wtp3X7Rnna9KoqQU61WXM5y7kKLN

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