tx 0x8a871aeb9c6c6f2d5e31de54d2830b6e795748cf5bea553fb549030ce3a0cadcCopy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 3913432062,
    "order_id": 388375041,
    "new_price": 6340000000
  }
}