curl --location --request POST '/rest/api/3/permissionscheme//permission' \
--header 'Content-Type: application/json' \
--data-raw '{
"holder": {
"parameter": "jira-core-users",
"type": "group",
"value": "ca85fac0-d974-40ca-a615-7af99c48d24f"
},
"permission": "ADMINISTER_PROJECTS"
}'
{"holder":{"expand":"group","parameter":"jira-core-users","type":"group","value":"ca85fac0-d974-40ca-a615-7af99c48d24f"},"id":10000,"permission":"ADMINISTER_PROJECTS","self":"https://your-domain.atlassian.net/rest/api/3/permissionscheme/permission/10000"}