Transaction not yet indexed

21MKXrQ4SFjn1tkJLTTFuqKPyqafjNLEMEFMDFnd4ULaVwbPnhxRNuigH2pn8sgX8rk8J3dYJS6J7sffN4HSMs5m

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