tx 0x740d7a89befd351eb4e7fd4e5e1abc034dfdec10a8bb86d1b5dcbf1a0b3a6abcCopy

payload

{
  "ModifyOrder": {
    "new_size": 2504728,
    "order_id": 63169614,
    "new_price": null
  }
}