tx 0x5f53322cdec1b7c2759fa3fadf54ade10f7d3d85edae0dd46b56dddda8d4f8f5Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 6391205337,
    "order_id": 388157274,
    "new_price": 6522000000
  }
}