Transaction not yet indexed

vkk8nht9xU4eqXG3RRfmee3LoDiUPAvakbNvLEDMRucGKeXmpAbdQ7zVaj9SSGCq1enrmp2tPevGwscvw8nUwTi

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