minecraft-packets/minecraft-packets/data/pc/1.12.2/from-server/named_sound_effect/1.json

An easy way to query PrismarineJS/minecraft-packets

{
  "soundName": "minecraft:ambient.cave",
  "soundCategory": 5,
  "x": -1828,
  "y": 544,
  "z": 1988,
  "volume": 1,
  "pitch": 1
}