tx 0xc9bb4c1fba7f3cf3d2219264d223b6c7e559cbe8e4a00ca31e7b574ff110ee0cCopy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 6771591204,
    "order_id": 340643503,
    "new_price": 6319000000
  }
}