Transaction not yet indexed

Nn2UwFyDKKypg4eBzsVP2DMv2mb24ZsqGDj6yqueeZ4di5ibHMxr5tTaSbFuUa5VaAfGPSJKTzbYbZRbxQxBVm5

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