curl --request POST \
  --url https://api.sendrealm.com/contacts \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "email": "jsmith@example.com",
  "fields": {}
}
'

{
  "status": 123,
  "data": {
    "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "email": "jsmith@example.com",
    "fields": {},
    "created_at": "2023-11-07T05:31:56Z",
    "updated_at": "2023-11-07T05:31:56Z"
  },
  "error": null,
  "metadata": null
}