Transaction not yet indexed

MSMmZDBYdefdob5sMHTajjnFxyk1v437Lh2uMVcTDHgGQVV9f5GA8Dv6HyEyM2BnaKMLRJADw2VS2pfTnJU5QMM

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