tx 0x864761eef271479a92987023b2532b1e23cd463f4297475033ef527c4acf4910Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 6430150999,
    "order_id": 388157274,
    "new_price": 6435000000
  }
}