Transaction not yet indexed

MWT6k2iWDoJ2MpEz1EC8RrEwj4Xgm2YEwVxSBJicWbzGCEDjmj4k236BooLLNkBfGVY3EqkjGmFXu6mLgExRDX1

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