Write a function that takes an argument like this:
[ [ ['firstName', 'Joe'], ['lastName', 'Blow'], ['age', 42], ['role', 'clerk'] ], [ ['firstName', 'Mary'], ['lastName', 'Jenkins'], ['age', 36], ['role', 'manager'] ] ]
and returns:
[ {firstName: 'Joe', lastName: 'Blow', age: 42, role: 'clerk'}, {firstName: 'Mary', lastName: 'Jenkins', age: 36, role: 'manager'} ]