Transaction not yet indexed

DdMtn7bVWopcG3TChuTEEVp8jMuE1ZXbegiKMJ36x16vnAp6hmvmp8e7NA6LU24eLH4DYhKifAvPqMB3qbjYsZ2

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