tx 0x142e0b73841c81e4a8261320667b0ef07148cede5cb3e6202e4bfba3daa8d5fcCopy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 6428890095,
    "order_id": 388157274,
    "new_price": 6490000000
  }
}