tx 0x7b7a5c4d2d2ec3067a294fa7d5893b0015413ce2ae9f2e2a3d7d0d69a8fe3cdeCopy

payload

{
  "ModifyOrder": {
    "new_size": 1275845,
    "order_id": 3206589,
    "new_price": null
  }
}