curl --request POST \
  --url https://{subdomain}.auth.{region}.nhost.run/v1/token \
  --header 'Content-Type: application/json' \
  --data '{
  "refreshToken": "2c35b6f3-c4b9-48e3-978a-d4d0f1d42e24"
}'

{
  "accessToken": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9...",
  "accessTokenExpiresIn": 900,
  "refreshTokenId": "2c35b6f3-c4b9-48e3-978a-d4d0f1d42e24",
  "refreshToken": "2c35b6f3-c4b9-48e3-978a-d4d0f1d42e24",
  "user": {
    "avatarUrl": "https://myapp.com/avatars/user123.jpg",
    "createdAt": "2023-01-15T12:34:56Z",
    "defaultRole": "user",
    "displayName": "John Smith",
    "email": "john.smith@nhost.io",
    "emailVerified": true,
    "id": "2c35b6f3-c4b9-48e3-978a-d4d0f1d42e24",
    "isAnonymous": false,
    "locale": "en",
    "metadata": {
      "firstName": "John",
      "lastName": "Smith"
    },
    "phoneNumber": "+12025550123",
    "phoneNumberVerified": false,
    "roles": [
      "user",
      "customer"
    ],
    "activeMfaType": "<string>"
  }
}