{
  "chain": [
    {
      "duplicates_added": 0,
      "mapped": 450,
      "method": "RIC"
    }
  ],
  "drop_unmapped": 1,
  "dropped_unmapped": 3,
  "mapped_non_null": 450
}

{
  "dropped": 0
}

{
  "M\u0026A": 88,
  "REGULAR CASH DIVIDEND": 270,
  "SPECIAL CASH DIVIDEND": 12,
  "SPINOFF": 38,
  "STOCK DISTRIBUTION": 3,
  "STOCK DIVIDEND": 7,
  "STOCKSPLIT": 2
}