tx 0x3b5d4eadc3dab6ef0c501eb6f5a08b7a4ac1cf6c8cab2ebf58fb0cf3cb555bfaCopy

payload

{
  "ModifyOrder": {
    "new_size": 2972278,
    "order_id": 372430522,
    "new_price": null
  }
}