[pb 0.6.0, parseable 2.5.13] errors in `pb user list`: json: cannot unmarshal object into Go value of type []cmd.RoleData

[lumiera]

Invoking pb user list produces errors:

• username-redacted-1
json: cannot unmarshal object into Go value of type []cmd.RoleData
• username-redacted-2
json: cannot unmarshal object into Go value of type []cmd.RoleData
• username-redacted-3
json: cannot unmarshal object into Go value of type []cmd.RoleData
• username-redacted-4
json: cannot unmarshal object into Go value of type []cmd.RoleData
• admin
json: cannot unmarshal object into Go value of type []cmd.RoleData