tx 0x19a1c2e6e75cddcf2b79d7426e78b3fb66b7b04d1a5702d24602009f295c9d1fCopy

payload

{
  "ModifyOrder": {
    "new_size": 6215678,
    "order_id": 7930768,
    "new_price": null
  }
}