Integration with “Related Posts Yuzo” plugin

Hi dear devs, I have a problem with the “Related Posts Yuzo” plugin integration, need to integrate just one field, “Top Text” field, you can find it in the plugin’s settings page, under the ‘main settings tab’, and the contents of that field are printed above the related posts in a singular page.

So I tried to integrate it by adding i18n-config.json file, to
./i18n-config/plugins/yuzo-related-post/i18n-config.json
and after that, in the plugin’s settings page, that field became highlighted as translatable. But<s>t</s>, when I type values for each language and submit, it only outputs one of them, and same thing in the database, and if I try to hardcode like this [:hy]Armenian[:ru]Russian[:], it just hardcodes same thing back to screen.

here is json file that I use.

{"vendor":{"plugins/yuzo-related-post":"5.12.51"},
"admin-config":{
"options-general":{
	"pages": { "options-general.php": "page=yuzo-related-post" },
	"anchors": {
		"frmsave": {
			"where": "before"
		}
	},
	"forms": {
		"frmsave": {
			"fields": {
				"yuzo_related_post_top_text": {
					"encode": "["
				}
			}
		}
	}
}
}

}

Thanks