minecraft-packets/minecraft-packets/data/pc/1.15.2/from-server/multi_block_change/4.json

An easy way to query PrismarineJS/minecraft-packets

{
  "chunkX": 7,
  "chunkZ": -15,
  "records": [
    {
      "horizontalPos": 141,
      "y": 13,
      "blockId": 35
    },
    {
      "horizontalPos": 242,
      "y": 24,
      "blockId": 37
    },
    {
      "horizontalPos": 225,
      "y": 24,
      "blockId": 37
    },
    {
      "horizontalPos": 208,
      "y": 24,
      "blockId": 37
    }
  ]
}