Telegram instantview template used for https://aminaleahmad.ir, adding some changes might get it to work for you too!

template.txt

# Use Instant View version 2.0
~version: "2.0"

@datetime(-2): /html/head/meta[11]
published_date: $@


# Get article text in <article> 
body:     //article

# Added by halix
channel: "@mrhalix"
site_name: "تجربیات برنامه نویسی من!"
# Get title from <h1>

# title:    $body//h1[1]
title: //h2[has-class("page-title")]
subtitle: $title/next-sibling::h2
author_url: //span[has-class("author")]//@href

# Get article cover image
cover: //img[has-class("wp-post-image")]

# Convert all iframe elements to inline element
@inline: $body//iframe[starts-with(@src, "/media/")]

# Remote header and footer

@remove: //article/header
@remove: //article/footer

# Replace p to figure
@replace_tag(<figure>): $body//p[.//img]

# Youtube Embedded Fix
@replace_tag(<figure>): $body//p[.//iframe]

@set_attr(dir, "rtl"): $body