Recover a lost community owner account.
They authority keys of a "popular" hivemind community owner account can be lost. Without this account it is NOT possible to update the settings of a community, set new roles, etc. To solve this it shall be allow to some community members/roles - such as admins - to change the owner account of a community if some criteria is fullfilled:(a) Period of inactivity of the owner account (b) 75% of community admins agree on the update, etc.