{
 "message_id": 655363,
 "from": {
  "id": 1204947256,
  "is_bot": false,
  "first_name": "Chloe Xaniera"
 },
 "chat": {
  "id": -1001091546301,
  "title": "Мехмат МГУ",
  "username": "mechmath",
  "type": "supergroup"
 },
 "date": 1603123553,
 "new_chat_participant": {
  "id": 1204947256,
  "is_bot": false,
  "first_name": "Chloe Xaniera"
 },
 "new_chat_member": {
  "id": 1204947256,
  "is_bot": false,
  "first_name": "Chloe Xaniera"
 },
 "new_chat_members": [
  {
   "id": 1204947256,
   "is_bot": false,
   "first_name": "Chloe Xaniera"
  }
 ]
}