minecraft-packets/minecraft-packets/data/pc/1.8.8/from-server/entity_move_look/3.json

An easy way to query PrismarineJS/minecraft-packets

{
  "entityId": 747,
  "dX": -1,
  "dY": 0,
  "dZ": -5,
  "yaw": 59,
  "pitch": 0,
  "onGround": false
}