Transaction not yet indexed

21ni4wJm5zS81qKNdEs4t8tyffDEtqcXiMKZjb2uQ5oF2hSSkgWEq1MwNo9HxJwLrvrAid7Jt7nr9QFsyqKTpVNS

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