tx 0x19a7b6a035e6e523d871512acdc3f8a3600dfd38bc0c2849ae0431806607e856Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 3855693897,
    "order_id": 388375041,
    "new_price": 6437000000
  }
}