tx 0x9b1da723953396c9f3dbff1fd7fa20a1da8e5cf2d527385d1e0deb51f7d22809Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 6561833085,
    "order_id": 388157274,
    "new_price": 6303000000
  }
}