tx 0x52199fd7e3a2fd1be3d33fcd886f572e04d687dabd0560796ad250d3e9d2e370Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 6441548735,
    "order_id": 388157274,
    "new_price": 6445000000
  }
}