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

Provides :
libQXmppOmemoQt5.so.4
libQXmppQt5-4
libQXmppQt5-4(x86-32)
libQXmppQt5.so.4
libqxmpp-qt5-0
libqxmpp4

Requires :

/sbin/ldconfig
/sbin/ldconfig
ld-linux.so.2
ld-linux.so.2(GLIBC_2.3)
libQXmppQt5.so.4
libQt5Core.so.5
libQt5Core.so.5(Qt_5)
libQt5Core.so.5(Qt_5.15)
libQt5Network.so.5
libQt5Network.so.5(Qt_5)
libQt5Xml.so.5
libQt5Xml.so.5(Qt_5)
libc.so.6
libc.so.6(GLIBC_2.0)
libc.so.6(GLIBC_2.1.3)
libc.so.6(GLIBC_2.32)
libc.so.6(GLIBC_2.4)
libgcc_s.so.1
libgcc_s.so.1(GCC_3.0)
libgcc_s.so.1(GCC_3.3.1)
libgcc_s.so.1(GLIBC_2.0)
libgobject-2.0.so.0
libgstreamer-1.0.so.0
libomemo-c.so.0
libqca-qt5.so.2
libstdc++.so.6
libstdc++.so.6(CXXABI_1.3)
libstdc++.so.6(CXXABI_1.3.5)
libstdc++.so.6(CXXABI_1.3.7)
libstdc++.so.6(CXXABI_1.3.9)
libstdc++.so.6(GLIBCXX_3.4)
libstdc++.so.6(GLIBCXX_3.4.11)
libstdc++.so.6(GLIBCXX_3.4.14)
libstdc++.so.6(GLIBCXX_3.4.18)
libstdc++.so.6(GLIBCXX_3.4.21)
libstdc++.so.6(GLIBCXX_3.4.29)
libstdc++.so.6(GLIBCXX_3.4.32)
libstdc++.so.6(GLIBCXX_3.4.9)
rpmlib(CompressedFileNames) <= 3.0.4-1
rpmlib(FileDigests) <= 4.6.0-1
rpmlib(PayloadFilesHavePrefix) <= 4.0-1
rpmlib(PayloadIsZstd) <= 5.4.18-1

Content of RPM :
/usr/lib/libQXmppOmemoQt5.so.1.6.0
/usr/lib/libQXmppOmemoQt5.so.4
/usr/lib/libQXmppQt5.so.1.6.0
/usr/lib/libQXmppQt5.so.4
/usr/share/doc/packages/libQXmppQt5-4
/usr/share/doc/packages/libQXmppQt5-4/AUTHORS
/usr/share/doc/packages/libQXmppQt5-4/CHANGELOG.md
/usr/share/doc/packages/libQXmppQt5-4/README.md
/usr/share/licenses/libQXmppQt5-4
/usr/share/licenses/libQXmppQt5-4/CC-BY-SA-4.0.txt
/usr/share/licenses/libQXmppQt5-4/CC0-1.0.txt
/usr/share/licenses/libQXmppQt5-4/LGPL-2.1-or-later.txt
/usr/share/licenses/libQXmppQt5-4/LicenseRef-MIT-variant.txt