curl --request PUT \
  --url https://{host}/frontend/api/v1/user/{user-id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "first-name": "<string>",
  "last-name": "<string>",
  "permissions": [
    "read:billing"
  ],
  "reset-permissions": false,
  "restrictions": [
    "read:billing"
  ]
}
'

{
  "id": 1,
  "additional-emails": [
    "<string>"
  ],
  "avatars": {},
  "created": "2023-11-07T05:31:56Z",
  "email": "<string>",
  "first-name": "<string>",
  "last-name": "<string>",
  "parent": {
    "id": 1,
    "email": "<string>",
    "username": "<string>"
  },
  "parent-user-ids": [
    1
  ],
  "permissions": {},
  "plan": {
    "active": true,
    "amount": {
      "fixed": 123,
      "max": 123,
      "min": 123,
      "preset": 123,
      "tiers": [
        123
      ]
    },
    "created": "2023-11-07T05:31:56Z",
    "description": "<string>",
    "details": {},
    "id": "<string>",
    "name": "<string>",
    "stripe-price": "<unknown>"
  },
  "restrictions": {},
  "root-user-id": 1,
  "stripe_customer_id": "<string>",
  "updated": "2023-11-07T05:31:56Z",
  "username": "<string>"
}