Transaction not yet indexed

421ZgxYuAWeW4NkUYkoMDJ5YGV7qBfVx9v1LPEXG79nYRnPCx9TfEBoY5rAQJwv3LUBsByws3U2ptpARVEtUsSNZ

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