curl --request POST \
  --url https://api.prelude.dev/v2/session/apps/{appID}/users \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "identifiers": [
    {
      "type": "phone_number",
      "value": "+306912345678"
    }
  ],
  "profile": {},
  "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
}'

{
  "id": "usr_01jqebhswje1ka1z7ahr9rfsgt"
}