tx 0x64690730dd1450122fc5f7fa123416f1eae2d77ac1743f1c45258c7f6fe8fcb7Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 2331803998,
    "order_id": 388381285,
    "new_price": 6424000000
  }
}