realm-2-level-cycle

const user = {
  id: '1',
  name: 'John',
  interests: [{
    id: '1',
    name: 'Interest1',
    interestedUsers: [{
      id: '1',
      name: 'John',
      interests: [{
        id: '1'
      }, {
        id: '2'
      }, {
        id: '3'
      }]
    }, {
      id: '3',
      name: 'Jane',
      interests: [{
        id: '1'
      }, {
        id: '3'
      }]
    }]
  }, {
    id: '2',
    name: 'Interest2',
    interestedUsers: [{
      id: '1',
      name: 'John',
      interests: [{
        id: '1'
      }, {
        id: '2'
      }, {
        id: '3'
      }]
    }]
  }, {
    id: '3',
    name: 'Interest3',
    interestedUsers: [{
      id: '2',
      name: 'Jimmy',
      interests: [{
        id: '3'
      }]
    }, {
      id: '3',
      name: 'Jane',
      interests: [{
        id: '1'
      }, {
        id: '3'
      }]
    }]
  }]
};