tx 0x7ae2e1fc9b1c7a6551bd0f6c2ec8e1a8c3c74f4328cb8271eeddb885f49c524eCopy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 6381783381,
    "order_id": 377687843,
    "new_price": 6561000000
  }
}