tx 0xaa5f7c6ef5005b8469a1170a00721d6e04c8203c9d2eb4593e90278a0d966964Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 3860736693,
    "order_id": 388375041,
    "new_price": 6454000000
  }
}