tx 0x1f5599d46ffa7de5d042d5ee662f4fc14cfd69f8f2ba6b23e18c1c60c935d70bCopy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 6441548735,
    "order_id": 388157274,
    "new_price": 6443000000
  }
}