Transaction not yet indexed

MMw2b1QSQWTQQwDRDvZ4HLKfFf4WBih2emdYTjQqDhqU7mPhL7KoUWvrNgsRBoAsbFpJzDoTrtagPSZ4sM5tBNY

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