Transaction not yet indexed

5ffknqUmp53Ya5zMjBfHc5JQrQhYevpSajZuJWXgxKfu2mXex3j62SUpy1SU6sPBMbxEgSD33AioWqtS8zEP5Bk1

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