Transaction not yet indexed

MmfXJNZ8vPf8AvEpo4cAb2yEtQ7Ugo98uS8dTBsu2L57FBHUGtYE9UUF9ML2pyhwBDmD9r5T9qRCvj35uos9BBy

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