Transaction not yet indexed

4ECUcMi2aAJnUGYpM46ecCAmE4Fgrd9bkNcPwC9a4zbz3cSgwpRhicjmCqtNG6knyrU2xoR8xqjMoXRPXhHa91D2

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