tx 0x4fc9bf9ec2868b97e6c9f321e27576ecd47e4983a81fb98da72489275e82272cCopy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 3979754416,
    "order_id": 337857229,
    "new_price": 6456000000
  }
}