Transaction not yet indexed

YKKWtaWmWiMm5hsKAREiDRdpKEFuD5tkRquyXk87ZziNSMbXTXEZ8W3erDExSqp5NansuCZoxxtyqDCPVbEhQRF

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