tx 0x388a8d2471ba487bb557fd80e9e43ca3e6e6234792c9af75c9bb7fa2d498f617Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 2355874476,
    "order_id": 388381285,
    "new_price": 6329000000
  }
}