tx 0x872f8f2b63b72a35e77911ba11cfe679d14a731d294e19822f8d45e6eb24e010Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 6718753663,
    "order_id": 340643503,
    "new_price": 6371000000
  }
}