curl --request POST \
  --url https://api.flare.io/firework/v2/organizations/{organization_id}/members \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "email": "<string>",
  "name": "<string>",
  "organization_member_permissions": {},
  "surname": "<string>",
  "memberships": [
    {
      "tenant_id": 123,
      "is_readonly": true,
      "role": "viewer"
    }
  ],
  "send_welcome_email": true,
  "user_permissions": {}
}
'

{
  "member": {
    "tenant_count": 123,
    "user": {
      "email": "<string>",
      "id": 123,
      "is_disabled": true,
      "name": "<string>",
      "organization_member_permissions": {
        "*": {}
      },
      "registered_at": "2023-11-07T05:31:56Z",
      "surname": "<string>",
      "urn": "<string>"
    }
  }
}