I'm at nex in Singapore https://t.co/QCxeQh5LF9
North-East Region
[{'url': 'https://t.co/QCxeQh5LF9', 'expanded_url': 'https://www.swarmapp.com/c/gcQihzWxSSh', 'display_url': 'swarmapp.com/c/gcQihzWxSSh', 'indices': [24, 47]}]
SERANGOON CENTRAL
["i'm", 'nex', 'singapore', 'https://t.co/qcxeqh5lf9']
[]
nex singapore
  [
    {"relatedness": False, "type": "none", "explanation": "This is not related to public housing or maintenance issues."},
    ]

It seems that the Twitter post "nex singapore" does not relate to a maintenance report feedback to public flat house. The term "nex singapore" could potentially be a reference to the city of Singapore, but without more context it is difficult to determine the exact meaning or purpose of the post.