• id: Cloaked group identifier.
• root: Group creation message.

• authors: Authors in group.
• key: Group key. Add this when we have "better GraphQL security".

exact names TBD, but something like:

Create new group.

Returns group.

Return array of groups that you are a member of.

Return group identified by id.

Add array of members to group.

Note that SSB-Tribes only allows 15 members to be added per message.