Transaction not yet indexed

5FfJkTfdCJzh9gxACs4S6dEV12bHVgSVhy6dwZVaufDAoQkCw1hYezoTQL8WsWcao2QUJoU4EeSLFes55TSzuXY2

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