Transaction not yet indexed

21NpxmGKox1UxserVEhDH3L9HqDCseUeDNFfgrnmCmiMcwJPNXhcMhhByvERR5hMfkQngkqwZPXg62k9BhkiALoM

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