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

Provides :
application()
application(mattermost-desktop.desktop)
libEGL.so()(64bit)
libGLESv2.so()(64bit)
libffmpeg.so()(64bit)
libvk_swiftshader.so()(64bit)
libvulkan.so.1()(64bit)
mattermost-desktop
mattermost-desktop(x86-64)

Requires :

/usr/bin/sh
ld-linux-x86-64.so.2()(64bit)
ld-linux-x86-64.so.2(GLIBC_2.2.5)(64bit)
ld-linux-x86-64.so.2(GLIBC_2.3)(64bit)
libX11.so.6()(64bit)
libXcomposite.so.1()(64bit)
libXdamage.so.1()(64bit)
libXext.so.6()(64bit)
libXfixes.so.3()(64bit)
libXrandr.so.2()(64bit)
libasound.so.2()(64bit)
libasound.so.2(ALSA_0.9)(64bit)
libasound.so.2(ALSA_0.9.0rc4)(64bit)
libatk-1.0.so.0()(64bit)
libatk-bridge-2.0.so.0()(64bit)
libatspi.so.0()(64bit)
libc.so.6()(64bit)
libc.so.6(GLIBC_2.10)(64bit)
libc.so.6(GLIBC_2.11)(64bit)
libc.so.6(GLIBC_2.12)(64bit)
libc.so.6(GLIBC_2.14)(64bit)
libc.so.6(GLIBC_2.15)(64bit)
libc.so.6(GLIBC_2.16)(64bit)
libc.so.6(GLIBC_2.17)(64bit)
libc.so.6(GLIBC_2.18)(64bit)
libc.so.6(GLIBC_2.2.5)(64bit)
libc.so.6(GLIBC_2.3)(64bit)
libc.so.6(GLIBC_2.3.2)(64bit)
libc.so.6(GLIBC_2.3.3)(64bit)
libc.so.6(GLIBC_2.3.4)(64bit)
libc.so.6(GLIBC_2.4)(64bit)
libc.so.6(GLIBC_2.6)(64bit)
libc.so.6(GLIBC_2.7)(64bit)
libc.so.6(GLIBC_2.8)(64bit)
libc.so.6(GLIBC_2.9)(64bit)
libcairo.so.2()(64bit)
libcups.so.2()(64bit)
libdbus-1.so.3()(64bit)
libdbus-1.so.3(LIBDBUS_1_3)(64bit)
libdl.so.2()(64bit)
libdl.so.2(GLIBC_2.2.5)(64bit)
libdrm.so.2()(64bit)
libexpat.so.1()(64bit)
libffmpeg.so()(64bit)
libgbm.so.1()(64bit)
libgcc_s.so.1()(64bit)
libgcc_s.so.1(GCC_3.0)(64bit)
libgio-2.0.so.0()(64bit)
libglib-2.0.so.0()(64bit)
libgobject-2.0.so.0()(64bit)
libgtk-3.so.0()(64bit)
libm.so.6()(64bit)
libm.so.6(GLIBC_2.2.5)(64bit)
libnspr4.so()(64bit)
libnss3.so()(64bit)
libnss3.so(NSS_3.11)(64bit)
libnss3.so(NSS_3.12)(64bit)
libnss3.so(NSS_3.12.1)(64bit)
libnss3.so(NSS_3.2)(64bit)
libnss3.so(NSS_3.22)(64bit)
libnss3.so(NSS_3.3)(64bit)
libnss3.so(NSS_3.30)(64bit)
libnss3.so(NSS_3.4)(64bit)
libnss3.so(NSS_3.5)(64bit)
libnss3.so(NSS_3.9.2)(64bit)
libnssutil3.so()(64bit)
libnssutil3.so(NSSUTIL_3.12.3)(64bit)
libpango-1.0.so.0()(64bit)
libpthread.so.0()(64bit)
libpthread.so.0(GLIBC_2.12)(64bit)
libpthread.so.0(GLIBC_2.2.5)(64bit)
libpthread.so.0(GLIBC_2.3.2)(64bit)
libpthread.so.0(GLIBC_2.3.3)(64bit)
libpthread.so.0(GLIBC_2.3.4)(64bit)
libsmime3.so()(64bit)
libsmime3.so(NSS_3.10)(64bit)
libsmime3.so(NSS_3.2)(64bit)
libxcb.so.1()(64bit)
libxkbcommon.so.0()(64bit)
libxkbcommon.so.0(V_0.5.0)(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)
xdg-utils

Content of RPM :
/usr/lib/mattermost
/usr/lib/mattermost/LICENSE.electron.txt
/usr/lib/mattermost/LICENSE.txt
/usr/lib/mattermost/LICENSES.chromium.html
/usr/lib/mattermost/NOTICE.txt
/usr/lib/mattermost/README.md
/usr/lib/mattermost/app_icon.png
/usr/lib/mattermost/chrome-sandbox
/usr/lib/mattermost/chrome_100_percent.pak
/usr/lib/mattermost/chrome_200_percent.pak
/usr/lib/mattermost/chrome_crashpad_handler
/usr/lib/mattermost/create_desktop_file.sh
/usr/lib/mattermost/icudtl.dat
/usr/lib/mattermost/libEGL.so
/usr/lib/mattermost/libGLESv2.so
/usr/lib/mattermost/libffmpeg.so
/usr/lib/mattermost/libvk_swiftshader.so
/usr/lib/mattermost/libvulkan.so.1
/usr/lib/mattermost/locales
/usr/lib/mattermost/locales/af.pak
/usr/lib/mattermost/locales/am.pak
/usr/lib/mattermost/locales/ar.pak
/usr/lib/mattermost/locales/bg.pak
/usr/lib/mattermost/locales/bn.pak
/usr/lib/mattermost/locales/ca.pak
/usr/lib/mattermost/locales/cs.pak
/usr/lib/mattermost/locales/da.pak
/usr/lib/mattermost/locales/de.pak
/usr/lib/mattermost/locales/el.pak
/usr/lib/mattermost/locales/en-GB.pak
There is 69 files more in these RPM.