获取设备在线数

curl --location --request POST '/api/v1/things/vidmgr/info/count' \
--header 'iThings-token: eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJVc2VySUQiOiIxNzQwMzU4MDU3MDM4MTg4NTQ0IiwiUm9sZSI6MSwiSXNBbGxEYXRhIjoxLCJleHAiOjE3MDMwNDQ4MzksImlhdCI6MTcwMzA0MTIzOX0.12PHcpZan7FocpC--atOccVtEwpxZIW-M5PILBs_HDY' \
--header 'iThings-token: {{iThings-token}}' \
--header 'iThings-project-id: 1764806234122309632{{iThings-token}}' \
--header 'iThings-project-id: 1786838173980422144' \
--header 'iThings-app-code: {{iThings-app-code}}' \
--header 'iThings-user-role: 1' \
--header 'Accept-Language: en' \
--header 'iThings-tenant-code;' \
--header 'Content-Type: application/json' \
--data-raw '{
    "startTime": 0,
    "endTime": 0
}'