curl https://api.thanxsandbox.com/communication_settings/woerihfslkwer \
  -X PATCH \
  -H "Content-Type: application/json"  \
  -H "Accept-Version: v4.0" \
  -H "Accept: application/json" \
  -H "Authorization: Bearer ${token}" \
  -H "X-ClientId: ${client_id}" 
  -d '{
    "communication_settings": {
      "reward_earned": {
        "notification": false,
        "email": false
      },
      "feedback_available": {
        "notification": true
      }
    }
  }'

{
  "communication_settings": [
    {
      "id": "weori234098",
      "merchant_id": "owierywtwt",
      "merchant_handle": "example-merchant",
      "user_id": "woeruijsfwer",
      "reward_earned": {
        "notification": true,
        "email": true
      },
      "reward_unused": {
        "notification": true,
        "email": true
      },
      "reward_progress": {
        "notification": true,
        "email": true
      },
      "reward_offer": {
        "notification": true,
        "email": true
      },
      "feedback_available": {
        "notification": true
      },
      "marketing_general": {
        "email": true,
        "sms": true
      }
    }
  ]
}