minecraft-packets/minecraft-packets/data/pc/1.9.4/from-server/multi_block_change/2.json

An easy way to query PrismarineJS/minecraft-packets

{
  "chunkX": -13,
  "chunkZ": 14,
  "records": [
    {
      "horizontalPos": 162,
      "y": 62,
      "blockId": 0
    },
    {
      "horizontalPos": 161,
      "y": 62,
      "blockId": 0
    }
  ]
}