tx 0x00195acb6546799c1bc026b3d92f5c9c0b41c82ef9d0d8226be0f3a42b4e1f5dCopy

payload

{
  "ModifyOrder": {
    "new_size": 19189040,
    "order_id": 35944761,
    "new_price": null
  }
}