Transaction not yet indexed

Muumo4Gpc8xvXRfuvmJHJVExVsPDz57Yp7XdbaCT7oq4Ft6wf8ZXUQTd9FxPvcyqtbSEiFjActuXSsN3P8J9QWJ

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