Transaction not yet indexed

MRMEWpFCQpQ7QVXPcgmGu3wByejeX6c5HGYgKE2Xg5UiMu2K92p42GoZdNUZoBkwx7bHyxr9N2pHhH6rnRXequR

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