I just finished walking 12.15 km in 2h:08m:33s with #Endomondo #endorphins https://t.co/OilYnFGQQu
<a href="http://erased78547.com" rel="nofollow">erased78547</a>
Central Region
[{'url': 'https://t.co/OilYnFGQQu', 'expanded_url': 'http://app.endomondo.com/users/126037/workouts/1486812283', 'display_url': 'app.endomondo.com/users/126037/w…', 'indices': [75, 98]}]
ALJUNIED
['finished', 'walking', '12.15', 'km', '2h', '08m', '33s', '#endomondo', '#endorphins', 'https://t.co/oilynfgqqu']
[]
just finished walking with #endomondo #endorphins
finished walking 12 15 km 2h 08m 33s endomondo endorphins
  [
    {"relatedness": False, "type": "none", "explanation": "This post is not related to maintenance report feedback for public flat house."},
    ]

The given Twitter post does not relate to a maintenance report feedback to public flat house. The post is about a person's walking activity tracked through Endomondo, including the distance walked, time taken, and endorphins experienced. It does not mention any issue or feedback related to public flat house. Therefore, the answer is a JSON object with "relatedness" set to False, "type" set to "none", and "explanation" set to a short explanation that the post is not related to maintenance report feedback for public flat house.