--- 
custom_fields_trackers_001: 
  custom_field_id: 1
  tracker_id: 1
custom_fields_trackers_002: 
  custom_field_id: 2
  tracker_id: 1
custom_fields_trackers_003: 
  custom_field_id: 2
  tracker_id: 3
custom_fields_trackers_004: 
  custom_field_id: 6
  tracker_id: 1
custom_fields_trackers_005: 
  custom_field_id: 6
  tracker_id: 2
custom_fields_trackers_006: 
  custom_field_id: 6
  tracker_id: 3
custom_fields_trackers_007: 
  custom_field_id: 8
  tracker_id: 1
custom_fields_trackers_008: 
  custom_field_id: 8
  tracker_id: 2
custom_fields_trackers_009: 
  custom_field_id: 8
  tracker_id: 3