tx 0xb3b869a5eaba55239c10ca5d330587009a1daa2b364a97f2be7fc84818e23e65Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 6304398413,
    "order_id": 415435222,
    "new_price": 6512000000
  }
}