tx 0x5981c9b53e8d5e35a5ce8bd707b051d5ef2f666117ad1d0bc7f7c2a98ef5e9bfCopy

payload

{
  "ModifyOrder": {
    "new_size": 798773,
    "order_id": 30404302,
    "new_price": null
  }
}