minecraft-packets/minecraft-packets/data/pc/1.19.4/from-server/multi_block_change/1.json

An easy way to query PrismarineJS/minecraft-packets

{
  "chunkCoordinates": {
    "x": -20,
    "z": -5,
    "y": 1
  },
  "suppressLightUpdates": false,
  "records": [
    339553,
    339793,
    339313
  ]
}