tx 0x9512770de3196f4b68552a01d343cefbf8d2419e6a7e0119dd5f0754740e4d14Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 6454566009,
    "order_id": 388157274,
    "new_price": 6430000000
  }
}