curl --request GET \
  --url https://us.infisical.com/api/v1/cert-manager/applications/{applicationId}/identities

{
  "memberships": [
    {
      "membershipId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "applicationId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "role": "<string>",
      "createdAt": "2023-11-07T05:31:56Z",
      "updatedAt": "2023-11-07T05:31:56Z",
      "actorUserId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "actorIdentityId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "actorGroupId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "customRoleId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "details": {
        "name": "<string>",
        "email": "<string>",
        "username": "<string>",
        "authMethod": "<string>",
        "slug": "<string>"
      }
    }
  ]
}