How can I remove app data from Google Play?

So I got a new phone, I logged to Clash of Clans and I accidentally logged to my Google Play Games through Google+. Sadly google saved me this lvl 1 base on Google Play. Now, when I tried to connect to google+ from my old phone (where I have a lvl 42 base) I get this message says: "Do you want to load a lvl 1 Town Hall? Warning: progress in the current game will be lost."
How can I overwrite the lvl 42 base instead of that lvl 1 base on my new phone?
Best Answer
I believe you must delete all data in Settings>General>Apps>Clash of Clans then simply log in to the correct account. I use this method all the time so I can have 2 accounts. Tell me if it works.
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Quick Answer about "How can I remove app data from Google Play?"
How do I delete app data from Google Play?
Delete Play Games data for a specific gameHow do I delete app data from app store?
App data is data generated (or downloaded) by an app as you use it, such as music downloaded from Spotify or YouTube Music. In most cases, deleting the app and reinstalling it from the app store will clear all of the app data.Can I clear all data on Google Play?
Scroll down to "Google Play Services." Tap Google Play Services. Clear Cache. Clear all Data.How do I completely delete app data on android?
How to Clear App Data?HOW TO DELETE ANY SAVED GAME FROM GOOGLE PLAY? | For Android
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Answer 2
Answer no, then re-link from the level 42 game, it should warn you that it'll overwrite any progress you've made on your online copy (The level 1 one) and you can then save the level 42 over the top.
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