I'm at Vertex Tower A in Singapore https://t.co/SC4X4T912W
Central Region
[{'url': 'https://t.co/SC4X4T912W', 'expanded_url': 'https://www.swarmapp.com/c/519xuX2y4UZ', 'display_url': 'swarmapp.com/c/519xuX2y4UZ', 'indices': [35, 58]}]
KAMPONG UBI
["i'm", 'vertex', 'tower', 'singapore', 'https://t.co/sc4x4t912w']
['tower']
vertex tower
vertex tower singapore
  [
    {"relatedness": False, "type": "none", "explanation": "This is not related to a maintenance report for a public flat in Singapore."},
    ]

It seems that the tweet "vertex tower singapore" does not relate to a maintenance report feedback for a public flat in Singapore. Therefore, the answer is { "relatedness": False, "type": "none", "explanation": "This is not related to a maintenance report"}.