Transaction not yet indexed

Ykh4jVhD3G853orXzq3DCJDxLjQRiWi8fivSi9mazPBdVXu87DWT1XcSUXiFdoVnTC4QT1xtwv4yNmuTrP4jafE

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