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

Provides :
libnextclouddolphinpluginhelper.so()(64bit)
nextcloud-client-dolphin
nextcloud-client-dolphin(x86-64)

Requires :

dolphin
libKF6CoreAddons.so.6()(64bit)
libKF6KIOCore.so.6()(64bit)
libKF6KIOWidgets.so.6()(64bit)
libQt6Core.so.6()(64bit)
libQt6Core.so.6(Qt_6)(64bit)
libQt6Core.so.6(Qt_6.7)(64bit)
libQt6Gui.so.6()(64bit)
libQt6Gui.so.6(Qt_6)(64bit)
libQt6Network.so.6()(64bit)
libQt6Network.so.6(Qt_6)(64bit)
libQt6Widgets.so.6()(64bit)
libQt6Widgets.so.6(Qt_6)(64bit)
libc.so.6()(64bit)
libc.so.6(GLIBC_2.14)(64bit)
libc.so.6(GLIBC_2.2.5)(64bit)
libc.so.6(GLIBC_2.3.4)(64bit)
libc.so.6(GLIBC_2.4)(64bit)
libc.so.6(GLIBC_ABI_DT_RELR)(64bit)
libnextclouddolphinpluginhelper.so()(64bit)
libstdc++.so.6()(64bit)
libstdc++.so.6(CXXABI_1.3)(64bit)
libstdc++.so.6(CXXABI_1.3.9)(64bit)
libstdc++.so.6(GLIBCXX_3.4)(64bit)
nextcloud-client(x86-64) = 3.15.3-2.fc40
rpmlib(CompressedFileNames) <= 3.0.4-1
rpmlib(FileDigests) <= 4.6.0-1
rpmlib(PayloadFilesHavePrefix) <= 4.0-1
rpmlib(PayloadIsZstd) <= 5.4.18-1
rpmlib(RichDependencies) <= 4.12.0-1
rtld(GNU_HASH)

Content of RPM :
/usr/lib/.build-id
/usr/lib/.build-id/78
/usr/lib/.build-id/78/cee454531ab9747232fa3d66e04fc122e342ea
/usr/lib/.build-id/84
/usr/lib/.build-id/84/07d0223ce0bc240cb7f3bbef7e074cd7449805
/usr/lib/.build-id/e4
/usr/lib/.build-id/e4/003462cfd075bfed844b29392b4e55bf619d07
/usr/lib64/libnextclouddolphinpluginhelper.so
/usr/lib64/qt6/plugins/kf6/kfileitemaction/nextclouddolphinactionplugin.so
/usr/lib64/qt6/plugins/kf6/overlayicon/nextclouddolphinoverlayplugin.so