Transaction not yet indexed

21ExqmtMNkQuQp3FPwjDS6fk2oaEhMgZGmAfigz7c6s8CfjdKa2Yy2hHqzUPSnAW3v3PFZXfEMJgEbQuLiaYL61C

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