CreateGroupRequest
This type can contain the following fields:
| field | type | info | 
|---|---|---|
| account | String | The account to interact with | 
| avatar | String | |
| member_role | String | The role of all members other than the group creator. Options are ADMINISTRATOR or DEFAULT (case insensitive) | 
| members | List of v1.JsonAddress | |
| timer | int | the message expiration timer | 
| title | String |