Transaction not yet indexed

21CTtf4JhUjAPWQsTyWsX1hH7tfVvUErvCSiS3zbfmBdBST2kWHeYDQT166mqDjyxsgrzekqbF2eNKXtem8jbzFG

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