tx 0xf6164eb80962994bc15f0e5fa672ffa3988020a8a3992bd39e6337e68151d994Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 6548231708,
    "order_id": 388157274,
    "new_price": 6320000000
  }
}