tx 0x4043cac2652a4783b49ea6ce38c5e1b0e0d0ebbcf2c4f8762e0ef5d459a3dbeaCopy

payload

{
  "ModifyOrder": {
    "new_size": 56753382,
    "order_id": 42344654,
    "new_price": null
  }
}