tx 0xa384fbf1dea2f6a7ef948fca7d991e4f84cd7cf7b0479e8c30de1ba3bed1dd7bCopy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 6315108902,
    "order_id": 412398917,
    "new_price": 6506000000
  }
}