tx 0x644f24409159a44c05b7a63356ade21e24ae3bde20a1c8c098fb79198f58200cCopy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 3886945629,
    "order_id": 388375041,
    "new_price": 6420000000
  }
}