Claim a role for a session server

curl --request POST \
  --url https://api.readmin.app/sessions/{sessionId}/servers/{serverId}/roles \
  --header 'Content-Type: application/json' \
  --header 'loader-id: <api-key>' \
  --data '{
  "userId": "<string>",
  "roleId": "<string>",
  "subroleId": "<string>"
}'

{
  "success": true
}