tx 0x47721f2972c8feee14c65ae28a1cde79fb972e35af49f3d1f8277f96cace5a52Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 3925784981,
    "order_id": 388375041,
    "new_price": 6338000000
  }
}