User Slack Message

Property	Type	Description	Information
id	int	Identifier	Unique for single record.
user_id	int	User Identifier	Unique for single user.
chat_id	string	Chat Identifier	Unique for single chat.
is_allowed	bool	Allow or Block Slack messages

Example:

{
  "id": 1,
  "user_id": 1,
  "chat_id": "SAD21GAS32",
  "is_allowed": true
},