Transaction not yet indexed

21SZf1XEqs6iDtJcmxGsPxuS5eUApGzq87yNB9yggkviFS6CUz65uEc2xKuDDkDo1qpdbsExdDXe1w7KbzSR7ZF7

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