Transaction not yet indexed

MKnmBREK3RA7JEPuKBmHD7mCYwVHTpx9RTfeqqQ8tdzgGdrRsuVBgspwpNJnEnWLTJDkBNWirhbbx3v2D6WN6Cb

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