Transaction not yet indexed

5U6mhkZeHuZ89eTYZhX3dfTPfPVWkcchPfGVQLGamifbQQdf1e7cWJ9yx1v8QhWWnh83dh8eBqeiVD9Nf8Ctxqg3

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