Transaction not yet indexed

21tkEo7xm2Sm8uretFAhPKM58JCKVwo5j4DYRuqiLafcNC6vaBCsrz3NWuj9RsMQ4kE84HkMXSnKmZqvpWDadYtm

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