{
  "chain": [
    {
      "duplicates_added": 0,
      "mapped": 818,
      "method": "RIC"
    }
  ],
  "drop_unmapped": 1,
  "dropped_unmapped": 0,
  "mapped_non_null": 818
}

{
  "REGULAR CASH DIVIDEND": 753,
  "SPECIAL CASH DIVIDEND": 62,
  "STOCK DIVIDEND": 3
}