tx 0x0caefdfaecd5f5eac3844a1759b765d54689eebefe6af3a0247a34c2d745e4f0Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 6548231708,
    "order_id": 388157274,
    "new_price": 6321000000
  }
}