Transaction not yet indexed

Ngx231f4ZEjffKL7i74DesKYPBPVNx41sxAEzHUnp1dXoqUTDbDU9yVqKLVCkMe2AmpMNgXLEtLijotvmmj1DMh

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