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

An easy way to query PrismarineJS/minecraft-packets

{
  "entityId": 1510,
  "x": -267.5,
  "y": 29,
  "z": 281.5,
  "yaw": -27,
  "pitch": 0,
  "onGround": true
}