curl -X POST 'https://api.example.com/subjects' \
  -H 'Authorization: Bearer YOUR_TOKEN' \
  -H 'Content-Type: application/json' \
  -d '{
    "subjectType": "user",
    "externalId": "user-456",
    "displayName": "John Doe",
    "meta": {"email": "john@example.com"}
  }'

curl -X POST 'https://api.example.com/subjects' \
  -H 'Authorization: Bearer YOUR_TOKEN' \
  -H 'Content-Type: application/json' \
  -d '{
    "subjectType": "user",
    "externalId": "user-jane",
    "displayName": "Jane Doe",
    "meta": {"email": "jane@acme.com"},
    "memberships": [
      {
        "scopeId": "scope_engineering",
        "roleIds": ["role_editor"]
      }
    ]
  }'

const axios = require('axios');

// Create user with membership and role assignment
const { data } = await axios.post('https://api.example.com/subjects', {
  subjectType: 'user',
  externalId: 'user-jane',
  displayName: 'Jane Doe',
  meta: { email: 'jane@acme.com' },
  memberships: [
    { scopeId: 'scope_engineering', roleIds: ['role_editor'] }
  ]
}, {
  headers: { 'Authorization': 'Bearer YOUR_TOKEN' },
});

{
  "id": "subject_0190a1b2-c3d4-7e5f-8a9b-0c1d2e3f4a5b",
  "subjectType": "user",
  "externalId": "user-456",
  "displayName": "John Doe",
  "meta": {"email": "john@example.com"}
}

{
  "id": "subject_0190a1b2-c3d4-7e5f-8a9b-0c1d2e3f4a5b",
  "subjectType": "user",
  "externalId": "user-jane",
  "displayName": "Jane Doe",
  "meta": {"email": "jane@acme.com"},
  "memberships": [
    {
      "id": "membership_0190a1b2-c3d4-7e5f-8a9b-0c1d2e3f4a5c",
      "subjectId": "subject_0190a1b2-c3d4-7e5f-8a9b-0c1d2e3f4a5b",
      "scopeId": "scope_engineering",
      "roleAssignments": [
        {
          "id": "role_assign_0190a1b2-c3d4-7e5f-8a9b-0c1d2e3f4a5d",
          "roleId": "role_editor",
          "membershipId": "membership_0190a1b2-c3d4-7e5f-8a9b-0c1d2e3f4a5c"
        }
      ]
    }
  ]
}