Transaction not yet indexed

21NDWjGRBth739Xujjbhe4e3QWSQk671QUHTSqhhy3K7XWuQ5ScmrST9D8pyZjVmz2bq3bPmHhaxNPHkJWk1X23V

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