Transaction not yet indexed

MMffeDcZQoKvkEDesTHwZJkqDSqi67RosWN8iinTyUZ6VfSeYye81fTcssjDH8MmQwdqJDLqgmHb2L2QUqEPAQD

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