Transaction not yet indexed

21SkkwBqdcYxizV9PM1Sa7sHeUgXaVWKK7K4CAdE5qMbAUBUpzcqtinVs4HXpZhVhtvrH4RV5CRRyCm7PeMrRfU5

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