Transaction not yet indexed

MREFMB9HGDsauU3jDDKyX88zNetZUkR7MJjKFaFUUKZ2Y67pJNodVuSDFvU2SvgukqzMcbmQSCPHGQhKWtsJzPg

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