Transaction not yet indexed

4o21cMsnXaZNjjKiC58ZTJ7KHmLT73kz9jxunPKFbSGAZS2Yb3XxmzLuEPHxenUNH7MeHapHkarxYNK2zRbaKY15

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