tx 0xb6cf9e31998f3e7b2c5e3901062c1ed6c0dbc3780fe0b78da2d18beb3e5aa499Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 2355298917,
    "order_id": 365600792,
    "new_price": 6430000000
  }
}