tx 0x656b29c6f1e75a38de1fb048b10c256bd2abc13ff7849e3b41e56d08fd1b7c85Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 2328959885,
    "order_id": 388381285,
    "new_price": 6436000000
  }
}