Transaction not yet indexed

21TKYFSsu3MiYyZdPyYmDmEERo5ULwcnqwDUGQuTRCEDF8BoM3yfiLS3qjjk7pwvfSkbgQkauZPtDTCWDAdWekoy

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