tx 0x9355a07ccc879ab4f5ec6ca2d0d2ba5a15ca0e3d7d03167c1ef7366c64855a91Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 3943202503,
    "order_id": 388375041,
    "new_price": 6312000000
  }
}