tx 0xb1b86100cebdd90fe3d867cbd66d64bddecb1c6e52be3114f04144dec5bf137cCopy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 6438154920,
    "order_id": 388157274,
    "new_price": 6418000000
  }
}