If your request is for a geojson file with just Pakistan's geometry in
it, you only want this excerpt:
{"type":"FeatureCollection","features":[
{"type":"Feature","properties":{"name":"Pakistan"},"geometry":{"type":"Polygon","coordinates":[[[75.158028,37.133031],[75.896897,36.666806],[76.192848,35.898403],[77.837451,35.49401],[76.871722,34.653544],[75.757061,34.504923],[74.240203,34.748887],[73.749948,34.317699],[74.104294,33.441473],[74.451559,32.7649],[75.258642,32.271105],[74.405929,31.692639],[74.42138,30.979815],[73.450638,29.976413],[72.823752,28.961592],[71.777666,27.91318],[70.616496,27.989196],[69.514393,26.940966],[70.168927,26.491872],[70.282873,25.722229],[70.844699,25.215102],[71.04324,24.356524],[68.842599,24.359134],[68.176645,23.691965],[67.443667,23.944844],[67.145442,24.663611],[66.372828,25.425141],[64.530408,25.237039],[62.905701,25.218409],[61.497363,25.078237],[61.874187,26.239975],[63.316632,26.756532],[63.233898,27.217047],[62.755426,27.378923],[62.72783,28.259645],[61.771868,28.699334],[61.369309,29.303276],[60.874248,29.829239],[62.549857,29.318572],[63.550261,29.468331],[64.148002,29.340819],[64.350419,29.560031],[65.046862,29.472181],[66.346473,29.887943],[66.381458,30.738899],[66.938891,31.304911],[67.683394,31.303154],[67.792689,31.58293],[68.556932,31.71331],[68.926677,31.620189],[69.317764,31.901412],[69.262522,32.501944],[69.687147,33.105499],[70.323594,33.358533],[69.930543,34.02012],[70.881803,33.988856],[71.156773,34.348911],[71.115019,34.733126],[71.613076,35.153203],[71.498768,35.650563],[71.262348,36.074388],[71.846292,36.509942],[72.920025,36.720007],[74.067552,36.836176],[74.575893,37.020841],[75.158028,37.133031]]]},"id":"PAK"}
]}