In this seed, you will spawn on the sunflower plain between the mansion and the village. The settlement is quite large and is located at the point -412 ~ 244, but you will see the most interesting at coordinates 248 ~ 152. Here you will find a mansion with a Nether portal in the wall.
How to use Nether Portal in the Mansion Wall seed
Start the Singleplayer mode
Select ‘Create New World’
Then click on ‘More World Options…’
In the ‘Seed for the World generation’ field, enter 616479617572359686