tx 0x0ff29744e00b2da1056baf7ac53cf4cbc8cdd3abd1b3d7d0e0e1f4c6939b1e8aCopy

payload

{
  "ModifyOrder": {
    "new_size": 160268399,
    "order_id": 52345735,
    "new_price": null
  }
}