Translate custom ACF textarea on user-edit.php page

Hi,

I am trying to translate the custom textarea created by ACF on a users profile at /wp-admin/user-edit.php page but cannot figure out what I am doing wrong!

I have put i18n-config.json in my theme root folder with this content

{"vendor":{"themes/mytheme":"1.0"},
	"admin-config":{
		"user-edit":{
			"pages":{"user-edit.php":""},
			"forms":{
				"post":{
					"fields":{
						"acf-field_563a87c2b3511":{},
						"acf-field_563a87e2b3512":{},
					}
				}
			}
		}
	}
}

What am I missing? I ahve tried all sorts of combinations!

Best regards.

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