Transaction not yet indexed

MfDkB4jaZcP2aKYrxiBM9xwqsqaRxRiKYuvkPoL75i1jWjs8pkCeUU6nDUn79etdQkv6Bm4QVwjmNHFNUqFGuKe

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