tx 0xf280d0f48fdb2e20dee120a08aa2f7f8e4f4fa8ffb5ee694cf96f62bf86d0442Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 6461292831,
    "order_id": 388157274,
    "new_price": 6436000000
  }
}