Transaction not yet indexed

Mff2EhtJSKB6covmdaQVRbjBKirQaQJHudNMvpywjitKPLj3zwUdvxXepJxB7hHT9b9StNDExdL2cCHi9g1fN6Z

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