tx 0x9bcc4d0f1d718c270d4cd6eea20472647c7482a4cd65c34e49ebb69198ee6338Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 6311225669,
    "order_id": 412398917,
    "new_price": 6511000000
  }
}