Transaction not yet indexed

421ZmEYY9g493ssewsRKaJswmWfDgpPaa19QNAC92JKVofFcYc5C6617fLMwcRfBd4DQpj81FSQDgZ1s5DvC1GYQ

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