tx 0xa619c57bf3830fe48672f3bd0cefedc4303f83fa3d96a2afa6ebadd02f008260Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 3884620980,
    "order_id": 388375041,
    "new_price": 6431000000
  }
}