{
  "chain": [
    {
      "duplicates_added": 0,
      "mapped": 140,
      "method": "ISIN_MIC"
    },
    {
      "duplicates_added": 0,
      "mapped": 5,
      "method": "ISIN_OPERATING_MIC"
    }
  ],
  "drop_unmapped": 1,
  "dropped_unmapped": 389,
  "mapped_non_null": 145
}

{
  "ISIN CHANGE": 1,
  "M\u0026A": 15,
  "REGULAR CASH DIVIDEND": 59,
  "RTSISSUE": 12,
  "SPECIAL CASH DIVIDEND": 6,
  "SPINOFF": 3,
  "STOCK DIVIDEND": 5,
  "STOCKSPLIT": 8
}