Transaction not yet indexed

HkUMmk9LF4fXYnpF2cxJKi6cxMZuo8dQ22PB25hQAHKAtZmSqALQ5MiEGpBGzWMvDdoozDCwbc26gY1xSW5ZcP2

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