tx 0x412e6ad1fd11c249458572d813772e9255b49bbf3ff3334fb278bbac45a48390Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 6550415786,
    "order_id": 388157274,
    "new_price": 6321000000
  }
}