tx 0x56dc4a8084ced8d75e0dea6d2914daa6c57f365b1756e4a2a4dba1d7bd99d8a3Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 6432150112,
    "order_id": 388157274,
    "new_price": 6423000000
  }
}