Transaction not yet indexed

21LUBqpKUAzSCjt4XvTkpxvYhqujo93PGRGkbEjjCsxPiEvKPqzaB9iVGqTcZSxbfFsYrwppd2zEqKBzCb6u7sp7

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