The phrase "appears to subscribe" is correct and usable in written English.
It can be used when indicating that someone seems to agree with or support a particular idea or belief.
Example: "Based on his recent comments, he appears to subscribe to the theory that climate change is primarily caused by human activity."
Alternatives: "seems to endorse" or "appears to support".
This is a medieval view of marriage, and it is dismaying that Parliament appears to subscribe to it.
Bush, in comments since he made it known he was seeking the Republican nomination, appears to subscribe to the same view.
He appears to subscribe to the notion that the United States, the largest economy on earth, must unabashedly pursue its self-interest, free of constraints like naïve reverence for the rules of the global trading system.
The Canadian immigration minister Jason Kenney certainly appears to subscribe to this view, recently being quoted as saying: "I read the London Met controversy as sending a strong message that the UK is going to maintain the integrity of its post-secondary brand to international students".
As a Seventh-Day Adventist, Carson appears to subscribe to the idea that the book of Genesis is literal history.
Berman appears to subscribe to the Charles Oakley theory regarding things that ain't broke.
The Flaming Lips appear to subscribe to the Dark Side of the Rainbow theory, which claims the pioneering album corresponds to moments in the 1939 film – even though people who worked on Pink Floyd's famous recording dispute this claim.
Between ~ 30 and ~ 40% of the general US public appear to subscribe to versions of the conspiracy theory, numbers only topped by the large fraction (~ 60%) of social media discourse, more on Twitter, focused on the topic.
He appeared to subscribe to the theory that if you wanted to unnerve a man you didn't look him in the eye, you did the opposite: avoid the eye by looking at his earlobe.
A recent report noted that many Fox News viewers appear to subscribe to a badly misinformed version of reality that differs considerably from what even Republican non-Fox viewers believe.
The synagogue shooting suspect appeared to subscribe to a racist conspiracy theory pushed by Trump and other conservatives about how the caravan of Central American migrants was actually being funded by leftists, possibly including George Soros, the frequent target of anti-Semitic conspiracies.
