Transaction not yet indexed

21SAK8sxzQ9hRdGgvWVMPAqn3SibmTFU6kkB3mrQ8EUd2xrKuCaV2YA9tVRvSWFqbqTf6bmjCSpbQcxUXdbDkn9j

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