tx 0x1acd09ee0551a5d943ee777c4e54fe822e6d5900d3d38654e0965a65b30bc307Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 6548344181,
    "order_id": 388157274,
    "new_price": 6319000000
  }
}