tx 0x87f9fb12c8934a73eebd358586e045d2d105bd784009ddbec72833f45a1a9729Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 4058647018,
    "order_id": 429374757,
    "new_price": 21500000000
  }
}