Transaction not yet indexed

1MemDGGmHSF34gSw2x8h4VCDnvLfeCTWLVD3XP8kzdkH93YJL5LZsu1UE5nFRPRrExSkdfsoUEBRYX6apmRBgi

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