tx 0x21efb7837d9ac1a8bd1efb562c313b781e78af621733d48e5e8d31d5e6e80a0aCopy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 221005601,
    "order_id": 10123838,
    "new_price": 21720000000
  }
}