Transaction not yet indexed

NXu9fbcoLzHaB8JKcnc16kci5urAjAuhvXRi8CEWTreJUi2WPtgi3R2hekbgD5SyqT2vqg2CYCSmQiurFVmb8eZ

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