tx 0x50b8a5fe5bd28c9fb999e07670cf4f4f2eec6c02a00f40dbbe3f69e7cbb94a9cCopy

payload

{
  "ModifyOrder": {
    "new_size": 5201601,
    "order_id": 57770486,
    "new_price": null
  }
}