Transaction not yet indexed

MDkbfZdAX6ZBYea1p6L1oZJZZPxLoT6dGm6qtf3gPdtvPA5Ha75up569Z4daXGVy2Z36DX5JJxY2Kvs3gT2TTdJ

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