Transaction not yet indexed

221AckPKEJRkpiiWNcHqLe8xjvnomwEMCbsXRu51FrfeC3B1ShQ2mc3ZnvFJ9vujGExNP7T8cikZk6LvUsnPp5W7

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