Transaction not yet indexed

2C21pfpMPQKpi7saF9QoDQ5GpWwLsKkJbfGNgKLa4sjZBbUjZSCFeRrTDzg7gS2Fnpu3hGpdsidNbxpv3RMLXtx7

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