Update user’s preferences.

POST /me/preferences

receive_message_source	String: “EVERYBODY” or “CONTACTS”
accept_conversation_source	String: “EVERYBODY” or “CONTACTS”

// cURL Example
curl -i -H "Content-Type: application/json" -H "Authorization: Bearer eyJhbGciOiJSUzUxMiIsInR5cCI6IkpXVCJ9.eyJleHAiOjE1MzMxMDU4NjMsImlhdCI6MTUyNTMyOTg2MywianRpIjoiZTg1NWU3MTUtNTI3Ni00YjlkLTk2MDgtNDZmNDgzYzFhMGYwIiwic2lkIjoiYTM0YzA3YTktNzU1ZC00YjU0LTk0YzUtZTQ1ZTlhMmRkNDNlIiwic2lnIjoiMzE2Njc1ZDFmYmRhMmM2NzRjOGIxYmVkNTQzM2IyMzIwZTI3MTEyYmZjODczZTE5MjI2M2E0NTc4ZTk2MTNiMCIsInVpZCI6IjA2YWVkMWUzLWJkNzctNGE1OS05OTFhLTViYjVhZTZmYmIwOSJ9.FHGbzztFIcXKapQWjuhhhT-ITBe2TrwzxooDrjiLFzKTFvhXPZh6rl1s5Tsl0smwyhLgaIfv0NXMOWvSuNPsjoPIWP19b0FpYj4TLq2eVPrSvurO1kRi_MqDS3erMkMEyZwnLvQu_Kosn0VGWdONX16kurkyt0pX1PMKgxauX9U" "https://api.mixin.one/me/preferences" -XPOST --data '{"receive_message_source":"CONTACTS"}'

// Sample Response
{
  "data":{
    "type":"user",
    "user_id":"06aed1e3-bd77-4a59-991a-5bb5ae6fbb09",
    "identity_number":"7000",
    "phone":"+8613801380138",
    "full_name":"Around World",
    "biography":"",
    "avatar_url":"",
    "relationship":"ME",
    "mute_until":"0001-01-01T00:00:00Z",
    "created_at":"2018-05-03T06:03:56.867971412Z",
    "is_verified":false,
    "session_id":"a34c07a9-755d-4b54-94c5-e45e9a2dd43e",
    "pin_token":"",
    "code_id":"dabcf1c2-6a5e-4ea3-ad51-6e6641a06c7c",
    "code_url":"https://mixin.one/codes/dabcf1c2-6a5e-4ea3-ad51-6e6641a06c7c",
    "has_pin":true,
    "has_emergency_contact":true,
    "receive_message_source":"CONTACTS",
    "accept_conversation_source":"CONTACTS",
    "fiat_currency":"USD",
    "transfer_notification_threshold":0
  }
}