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

Provides :
config(systemd-journal-gateway)
systemd-journal-gateway
systemd-journal-gateway(x86-32)

Requires :

libpthread.so.0(GLIBC_2.2)
libgnutls.so.28
libpthread.so.0
liblz4.so.1
libc.so.6(GLIBC_2.16)
rtld(GNU_HASH)
libgcrypt.so.11
libcap.so.2
librt.so.1
librt.so.1(GLIBC_2.2)
libgcc_s.so.1(GCC_3.3.1)
libc.so.6(GLIBC_2.4)
libselinux.so.1
libc.so.6(GLIBC_2.3.3)
libgcc_s.so.1
libc.so.6(GLIBC_2.1.3)
libgcrypt.so.11(GCRYPT_1.2)
rpmlib(PayloadIsXz) <= 5.2-1
libpthread.so.0(GLIBC_2.1)
libmicrohttpd.so.10
libc.so.6(GLIBC_2.7)
liblzma.so.5(XZ_5.0)
/usr/bin/getent
ld-linux.so.2
libgnutls.so.28(GNUTLS_1_4)
systemd = 219-73.el7_8.9
libc.so.6(GLIBC_2.2)
libc.so.6(GLIBC_2.0)
libcurl.so.4
/bin/sh
libpthread.so.0(GLIBC_2.0)
rpmlib(PayloadFilesHavePrefix) <= 4.0-1
libc.so.6(GLIBC_2.8)
libc.so.6(GLIBC_2.10)
libc.so.6(GLIBC_2.3)
libc.so.6(GLIBC_2.3.2)
libc.so.6(GLIBC_2.17)
rpmlib(FileDigests) <= 4.6.0-1
rpmlib(CompressedFileNames) <= 3.0.4-1
ld-linux.so.2(GLIBC_2.3)
liblzma.so.5
libc.so.6(GLIBC_2.1)
systemd
libc.so.6(GLIBC_2.14)
config(systemd-journal-gateway) = 219-73.el7_8.9
libc.so.6(GLIBC_2.9)
libgcc_s.so.1(GCC_3.0)
libgnutls.so.28(GNUTLS_3_1_0)
libc.so.6
libc.so.6(GLIBC_2.3.4)

Content of RPM :
/etc/systemd/journal-remote.conf
/etc/systemd/journal-upload.conf
/usr/lib/systemd/system/systemd-journal-gatewayd.service
/usr/lib/systemd/system/systemd-journal-gatewayd.socket
/usr/lib/systemd/system/systemd-journal-remote.service
/usr/lib/systemd/system/systemd-journal-remote.socket
/usr/lib/systemd/system/systemd-journal-upload.service
/usr/lib/systemd/systemd-journal-gatewayd
/usr/lib/systemd/systemd-journal-remote
/usr/lib/systemd/systemd-journal-upload
/usr/lib/tmpfiles.d/systemd-remote.conf
/usr/share/man/man8/systemd-journal-gatewayd.8.gz
/usr/share/man/man8/systemd-journal-gatewayd.service.8.gz
/usr/share/man/man8/systemd-journal-gatewayd.socket.8.gz
/usr/share/man/man8/systemd-journal-remote.8.gz
/usr/share/systemd/gatewayd
/usr/share/systemd/gatewayd/browse.html
/var/lib/systemd/journal-upload