Transaction not yet indexed

SPp1ez9E8dbD2TE5R54UbzbWRpfqqwvdgQ43DS7faJXG6bPAVHuGh7WfEpd6mJbW6M5GEK4yCFzbcWBpKgGL9p1

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