tx 0xb83f65a42a0840cbaae99dfde6b01e4c0c25026cce2d0c6adc85f840b9b0b02aCopy

payload

{
  "ModifyOrder": {
    "new_size": 50201145,
    "order_id": 23307189,
    "new_price": null
  }
}