tx 0xd56c97a8f576356964eaef7bdd4fbd00d054c5a1b3207ddf8d4d17f76e2b6e8bCopy

payload

{
  "ModifyOrder": {
    "new_size": 50000000,
    "order_id": 1757983,
    "new_price": 29815000000
  }
}