I'm at Subway in Singapore https://t.co/iDakfpkENk
<a href="http://foursquare.com" rel="nofollow">Foursquare</a>
East Region
[{'url': 'https://t.co/iDakfpkENk', 'expanded_url': 'https://www.swarmapp.com/c/4iiffaGgF0z', 'display_url': 'swarmapp.com/c/4iiffaGgF0z', 'indices': [27, 50]}]
CHANGI AIRPORT
["i'm", 'subway', 'singapore', 'https://t.co/idakfpkenk']
[]
subway
subway singapore
  [
    {"relatedness": False, "type": "none", "explanation": "This is not related to public housing or maintenance reports."},
    ]

It seems that the Twitter post you provided does not relate to a maintenance report feedback for a public flat house in Singapore. The term "subway" is likely referring to the public transportation system in Singapore, which is not related to maintenance reports or public housing.