Transaction not yet indexed

5U6uux3z2WME9AwTF1G3xVRLu8ZXTacAaJXi1Jtqb8bjgWRez4Q9wafjNEHFRKYLARoBMdvoZ8SHmh6QJf1mkNCW

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