Transaction not yet indexed

621SnkuApcvdHCSkCtPf5dpqFf2YBBSwg9qs8mt7MrAvz7VTRGEDMTGz1uJPsBVFyfmENJxcX9xuK3gBSW7XWXki

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