curl --request POST \
  --url https://saas.pads365.com/rdx/NDS.Services.License/api/v1/license/Assignment/identities/search \
  --header 'Content-Type: application/json' \
  --data '{
  "SearchString": "<string>"
}'

{
  "Succeeded": true,
  "Message": "<string>",
  "Code": "<string>",
  "Identities": [
    "<string>"
  ]
}