Transaction not yet indexed

5ko28mrvdH3ZY1o4eZMTzSub7rDZJh9bqZANUUd8irJANLWVdSpFzf5Qu5G3gPShBpA7MuJPUstSUkcPX2Z9PM12

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