Transaction not yet indexed

MpbGjRuuoRxjo6uRvf3gxpvCs3crXjmQFSfMPrex8ZJ5vAyW7eRWF4XJ6j5HMWDM9v6CS9NrCqH7AwtirRq5qc1

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