tx 0x7a12e5c185b7450d3e536e34eef31f13c2fcdae9b82521f615f13a7273b6e691Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 6703528511,
    "order_id": 336704175,
    "new_price": 6387000000
  }
}