tx 0x9c15a5ffe3a5aef0a52b2bd4fa28f9463aec0bd01fcc6d3f0e3ca1c99d1b000aCopy

payload

{
  "ModifyOrder": {
    "new_size": 31726206,
    "order_id": 11511557,
    "new_price": null
  }
}