tx 0x644283ab673caafed121a1bf813afede2b524ba1600f56e03f2b42523fcd8834Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 1599747571,
    "order_id": 23757119,
    "new_price": 490000000
  }
}