tx 0xd91398d7b5e3a3b5bdffa2d8ac57d756882ed2be964a3d1419be7fcd3c35dcd7Copy

payload

{
  "ModifyOrder": {
    "new_size": 50000000,
    "order_id": 1789392,
    "new_price": 29799000000
  }
}