tx 0x37c4bcdf1a6afcc81618d37bd8b087bb9da3f69400f68a2efe90ff6fe5b33581Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 3929627892,
    "order_id": 388375041,
    "new_price": 6321000000
  }
}