tx 0x9fef7d94b2a45dc15f493d07b5e918046485474f8b220d384c4953440ca7e2c0Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 6508323939,
    "order_id": 388157274,
    "new_price": 6419000000
  }
}