tx 0x4ff93c47436ef5c99dc6de263cd75d7fd5c94390604e495f5a7c55cfc9dd99baCopy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 3886339997,
    "order_id": 388375041,
    "new_price": 6418000000
  }
}