Transaction not yet indexed

5u88bvCaP4EfQ8PLmLUcRBvfofZZdjUhAt2vMmYA1WNa8XSmsJAx1oCDuUofbX9nAAcLXCKJP5niSAqrVA1v2bGf

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