Transaction not yet indexed

21c5FSg6cFg9ot1NQLkf3QWF3aGTCqb7yAZBQyVsSsaXK8Q5j2MMva2ALAWwsqi8CmWh5hUTJPDbArubm64jPef5

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