Transaction not yet indexed

MtKcFtpmZCHLg5ZNMGCWF5pNZQkzsKp4HXxacTJH8sPZuXhoFDUmG1Ge4PQsiAcaKycpsw3fjj7i6zv9vfiRKUG

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