Transaction not yet indexed

1sSzQWrwZ7XaAx471FbV6upiVjKhrtTLupYRMXVHihjRZGe9Pmj9sAYfyxfUCW1Q5s3wX27xLCX28XD7X2FdZ57

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