Transaction not yet indexed

MKFf1QNBsjFr9G9PMKQ6pZ4usrp29Rsh8dZJdE2QcSiPhUH7Cb9KRF1YkYmDgaL8DCfhiNbXKbmcbu8WkrvssP9

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