Transaction not yet indexed

DdG6pfTvaQ219Xc6sDxTmS3vfgmkxTG7seGvsxepKm5mgJShCJYTf1boURW56RCbiWgewo7Bu6uqUAwYoUMCsU9

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