minecraft-packets/minecraft-packets/data/pc/1.19.3/from-server/multi_block_change/2.json

An easy way to query PrismarineJS/minecraft-packets

{
  "chunkCoordinates": {
    "x": -3,
    "z": 3,
    "y": 0
  },
  "suppressLightUpdates": false,
  "records": [
    351390,
    351406,
    351342,
    322478,
    351358,
    351374
  ]
}