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

An easy way to query PrismarineJS/minecraft-packets

{
  "entityId": 271,
  "slot": 0,
  "item": {
    "present": true,
    "itemId": 525,
    "itemCount": 1,
    "nbtData": {
      "type": "compound",
      "name": "",
      "value": {
        "Damage": {
          "type": "int",
          "value": 0
        }
      }
    }
  }
}