Transaction not yet indexed

21Na1kc1gHmbv3DEeAbpPeXuPSaZk3WEvzLLXijJeDqsggHKAzM8LRsMRCeGF1oc9WLQXfN1TNoLqxMGR8JsQMPa

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