tx 0x9ddbf0a1d8d6e8b52fe5a691830f5bafb85c3bcc41c3b83694cbe45bd10b42a8Copy

payload

{
  "ModifyOrder": {
    "new_size": 4712589,
    "order_id": 51215364,
    "new_price": null
  }
}