Transaction not yet indexed

1234K256pcBgMtqVRaCYr8zXtKutwPAWZRLSUSeonRBjsCGt3b4xZYJKPTSunbBJZw4S5owMoMUe2MLH99QsP3fw

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