# Create Packet Header packet structure version timestamp creator public key admin group id (uuid, 16 bytes) Body (Encrypted) creator name name # Add data Packet creator public key Content (Signed with creator private key, verify with creator public key) Header packet structure version timestamp operation type Body (Encrypted with node encryption key) data # Add user to group Packet creator public key Content (Signed with creator private key, verify with creator public key) Header packet structure version timestamp operation type Body name (of the user to add to group) public key (of user to add to group) group id (the group which the user should be added to)