Transaction not yet indexed

21mupJzaFssuF7apD3v4DfsQcexG1GUdDRNoQrn3rTL29FMLSYNKca9Jt72M8zwPRr2pYqbtqu8x2PSycbMDBLj6

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