tx 0x746dc31f7e6115ea6bbef38acee5621c23ec47554d228e6ea0ecdf7be3c9f2a0Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 6096311868,
    "order_id": 438625921,
    "new_price": 6657000000
  }
}