Transaction not yet indexed

428K1TCkqU1fi6e2DQktoydTEppbjYeqGXvYas9Fn1B4ih8X36wFyQCCMCKLtkScyRZLbAcsNJHbtbFftFjZLEm2

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