tx 0x57d3d2119942c2888dfbf05d85c17b70a1cf68e2f9f23a47f05fde5e4b4e1694Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 6311225669,
    "order_id": 412398917,
    "new_price": 6512000000
  }
}