tx 0x0d04fe8f9e7849fe3f7b47c8eb2b34bf4d8a5dd92bb134b66144dfc2e66ddc4eCopy

payload

{
  "ModifyOrder": {
    "new_size": 19109381,
    "order_id": 12321642,
    "new_price": null
  }
}