tx 0xa66621d541fdd8bb451ca3b5ee83f2bd8f8f8afae2d1ab0abe98bc22a0be72c0Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 6550415786,
    "order_id": 388157274,
    "new_price": 6324000000
  }
}