tx 0xb5ef058c1fa9fa9d31d5d6b9b69e65e4014e936a922b21d9168febe61c07e171Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 6307347208,
    "order_id": 412398917,
    "new_price": 6515000000
  }
}