Reads all Syncable items

Example response

{
  "data": [
    {
      "syncable_sync_run_id": "1",
      "sync_payload": {
        "employee_id": 1,
        "payroll_concept_id": 1,
        "legal_entity_id": 1,
        "amount": 7500,
        "unit": "money",
        "effective_on": "2028-03-31",
        "employee_company_identifier": "123456"
      },
      "syncable_type": "compensations/compensation"
    }
  ]
}