This is my required format:
{
"annotations": [
{
"area": 2665.0,
"bbox": [
251.0,
154.0,
52.0,
82.0
],
"category_id": 5,
"extra": {},
"id": 1,
"image_id": 0,
"iscrowd": 0,
"segmentation": [
[
292,
154,
285,
154,
283,
155,
283,
156,
279,
159,
276,
165,
276,
171,
275,
172,
275,
174,
273,
175,
271,
177,
271,
178,
264,
185,
264,
186.0,
262,
188,
261,
188,
259,
193.0,
257,
195,
256,
198,
251.0,
205,
251.0,
212,
252,
213,
252,
215.0,
253,
217,
258,
222.0,
258,
223,
266,
230,
268,
230,
271,
232,
273,
232,
278,
235.0,
284,
235.0,
289,
232,
291,
232,
295,
229.0,
296,
229.0,
300,
224,
301,
222.0,
301,
218.0,
302,
217,
302,
213,
301,
212,
301,
206,
300,
205,
300,
202,
298,
199,
298,
194,
297,
193.0,
297,
191,
299,
189.0,
298,
188,
299,
186.0,
299,
179,
296,
175,
295,
167,
294,
166,
294,
159,
293,
158,
293,
155
]
]
},
{
"area": 4441.0,
"bbox": [
297.0,
183.0,
56.0,
100.0
],
"category_id": 4,
"extra": {},
"id": 2,
"image_id": 0,
"iscrowd": 0,
"segmentation": [
[
298,
188,
297,
192,
298,
193,
298,
195,
300,
196,
300,
198,
301,
199,
301,
205,
302,
206,
302,
210,
303,
211,
303,
217,
302,
218,
302,.........
