Transaction not yet indexed

421WKtbAuKmteEhmoNZEAY3J1L81y9FcEPLCDWcF6iJKNp78YkXVLjbSeDSs8VgBsE17bJPXre8j6DWenmS7tdZz

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