tx 0x0c6c8a581025386bdc5a1bb35aa44c243b3eaf2d106d664603cdb5b96c40b10fCopy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 3886339997,
    "order_id": 388375041,
    "new_price": 6420000000
  }
}