Hmm ... It's impossible ;-) This RPM doesn't exist on any FTP server

Provides :
appstream-compose
appstream-compose(x86-64)
libappstream-compose.so.0()(64bit)
metainfo()
metainfo(org.freedesktop.appstream.compose.metainfo.xml)

Requires :

appstream(x86-64) = 1.0.4-1.fc43
libappstream-compose.so.0()(64bit)
libappstream.so.5()(64bit)
libc.so.6()(64bit)
libc.so.6(GLIBC_2.14)(64bit)
libc.so.6(GLIBC_2.2.5)(64bit)
libc.so.6(GLIBC_2.3)(64bit)
libc.so.6(GLIBC_2.3.4)(64bit)
libc.so.6(GLIBC_2.33)(64bit)
libc.so.6(GLIBC_2.34)(64bit)
libc.so.6(GLIBC_2.4)(64bit)
libc.so.6(GLIBC_ABI_DT_RELR)(64bit)
libcairo.so.2()(64bit)
libfontconfig.so.1()(64bit)
libfreetype.so.6()(64bit)
libgcc_s.so.1()(64bit)
libgcc_s.so.1(GCC_3.0)(64bit)
libgcc_s.so.1(GCC_3.3.1)(64bit)
libgdk_pixbuf-2.0.so.0()(64bit)
libgio-2.0.so.0()(64bit)
libglib-2.0.so.0()(64bit)
libgobject-2.0.so.0()(64bit)
libpango-1.0.so.0()(64bit)
librsvg-2.so.2()(64bit)
libyaml-0.so.2()(64bit)
rpmlib(CompressedFileNames) <= 3.0.4-1
rpmlib(FileDigests) <= 4.6.0-1
rpmlib(PayloadFilesHavePrefix) <= 4.0-1
rpmlib(PayloadIsZstd) <= 5.4.18-1
rtld(GNU_HASH)

Content of RPM :
/usr/lib/.build-id
/usr/lib/.build-id/05
/usr/lib/.build-id/05/d0b432c86faef7943794cb21d58f1d3666c5a4
/usr/lib/.build-id/5e
/usr/lib/.build-id/5e/b278d23867cf9a74d3b67465fca6784639f340
/usr/lib64/girepository-1.0/AppStreamCompose-1.0.typelib
/usr/lib64/libappstream-compose.so.0
/usr/lib64/libappstream-compose.so.1.0.4
/usr/libexec/appstreamcli-compose
/usr/share/man/man1/appstreamcli-compose.1.gz
/usr/share/metainfo/org.freedesktop.appstream.compose.metainfo.xml