curl --location --request PUT 'https://api-develop.enspace.io/ws/member-groups/5/users/add' \
--header 'x-api-key: <api-key>' \
--header 'en-workspace: <api-key>' \
--header 'Content-Type: application/json' \
--data-raw '{
"userIds": [
0
]
}'
{
"addedUsers": [
0
],
"skippedUsers": [
0
]
}