tx 0x644cb7889453b5a9663fad838a7cefef2d1dd1d70db550eccd4fae4b9a2d7ee4Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 3923059998,
    "order_id": 365597457,
    "new_price": 6436000000
  }
}