[
  {
    "mode": "NULLABLE", 
    "name": "ROW_ID", 
    "type": "INTEGER"
  }, 
  {
    "mode": "NULLABLE", 
    "name": "SUBJECT_ID", 
    "type": "INTEGER"
  }, 
  {
    "mode": "NULLABLE", 
    "name": "HADM_ID", 
    "type": "INTEGER"
  }, 
  {
    "mode": "NULLABLE", 
    "name": "TRANSFERTIME", 
    "type": "DATETIME"
  }, 
  {
    "mode": "NULLABLE", 
    "name": "PREV_SERVICE", 
    "type": "STRING"
  }, 
  {
    "mode": "NULLABLE", 
    "name": "CURR_SERVICE", 
    "type": "STRING"
  }
]
